{"title":"Yamaha 2-Stroke 60-90HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:980px;margin:0 auto 20px auto;\"\u003e\n  \u003cp\u003eThis page supports Yamaha 2-Stroke 60–90HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Yamaha collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block;padding:10px 16px;border-radius:6px;background:#003366;color:#fff;text-decoration:none;\"\u003eBrowse All Yamaha Parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eHow to Identify Your 60–90HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the ID plate: On most Yamaha 2‑stroke outboards, the model\/serial plate is on the transom clamp bracket (starboard side) or the swivel bracket. Record the full model code and serial number.\u003c\/li\u003e\n    \u003cli\u003eRead the model code and suffix: Yamaha codes often include a family\/model (e.g., C60\/70\/90), shaft length (L = 20 in, X = 25 in), control\/trim options (T = power trim\/tilt, R = remote), and a year code suffix. Example formats include 70TLR, 90TLR. Always match the full code when selecting parts.\u003c\/li\u003e\n    \u003cli\u003ePlatform hints: Many 60\/70 and 75\/85\/90 models are inline‑3 carbureted 2‑strokes. Cowling decals like “Precision Blend” indicate oil‑injection systems rather than pre‑mix.\u003c\/li\u003e\n    \u003cli\u003e2‑Stroke specifics: If oil‑injected, confirm the under‑cowl reservoir and remote boat‑mounted oil tank type. If pre‑mix, verify the required fuel\/oil ratio shown on the engine or in your manual.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003e60–70HP Inline‑3 2‑Stroke (Carbureted)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInline‑3, carbureted 2‑stroke with mechanical oil injection on many models (“Precision Blend”) or pre‑mix on select variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eExamples include C60 and 70 series (e.g., 70TLR). Exact parts depend on full model code and year suffix.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eLight weight for class, strong mid‑range torque, simple serviceability.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCooling, ignition, and many wear items are shared across years, but jetting, electrics, and gear ratios can vary. Verify by model code before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003e75–90HP Inline‑3 2‑Stroke (Carbureted)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInline‑3, carbureted 2‑stroke, commonly oil‑injected; shares architecture with 60–70HP family but often in a larger displacement group.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eExamples include 75\/85\/90 series (e.g., 90TLR). Confirm exact version with the full model code.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eGood hole‑shot and top‑end for the weight, straightforward carb and ignition service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMany cooling and ignition parts cross over with 60–70HP models, but carbs, jetting, and props differ. Match by model code and shaft length (L\/X).\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Yamaha 2‑stroke outboards. Always follow your engine’s official service manual and adjust for heavy use, sandy\/silty water, or storage conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eLower unit gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eChange sooner if water contamination is suspected; replace seals if leakage is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect gap and color; replace if fouled or worn. Use plugs specified for your exact model.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hours; replace 100 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eKeep water and debris out of carbs; poor filtration causes lean conditions and power loss.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eEvery 2 seasons (12–24 months) or sooner in sandy water\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWeak tell‑tale flow or overheat alarms often trace to a worn impeller or housing.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eAnodes (internal\/external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eProtects against corrosion; use the correct material (aluminum\/magnesium\/zinc) for your water.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eOil injection system check (if equipped)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eVerify pump output, alarms, and that oil lines\/filters are clean. If deleted, follow correct pre‑mix ratio.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses (Oil Lines)\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller \u0026amp; hardware inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50 hours; remove annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for nicks\/bent blades, fishing line behind prop, and hub condition; service cotter\/nut.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-propellers\"\u003eYamaha Propellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-service-maintenance-kits\"\u003eYamaha Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eFuel Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \/ Sealing – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-propellers\"\u003eYamaha Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect intake screens for debris; verify thermostat operation; check impeller condition and housing wear.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWater pump kit, thermostat, intake screens\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eCheck prop for damage\/slip; replace fuel filter; verify carb cleanliness and float settings; inspect plug color\/compression.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003ePropeller, fuel filter, carb service parts, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eConfirm choke\/enrichment function; check for air leaks in fuel lines; drain stale fuel; test spark on all cylinders.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFuel lines\/hoses, primer bulb, spark plugs, carb kits\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eVerify correct oil ratio (pre‑mix) or oil pump setting (injected); ensure thermostat is closing; avoid extended no‑load idling.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eThermostat, oil lines, oil pump service, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck oil level\/condition; look for water intrusion (milky oil); perform pressure\/vacuum test to locate leaking seals.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSeal kit, shims\/bearings, prop shaft seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:980px;margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or between 60–70 and 75–90 models?\u003c\/summary\u003e\n    \u003cp\u003eMany cooling and ignition items interchange, but carbs, jetting, electrics, and gear ratios often differ by model year and platform. Match parts to your full model code (including shaft length and suffix) for best results.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace the impeller every 2 seasons, or sooner if you notice weak tell‑tale flow, overheating, or you run in sandy\/silty water. A complete kit (impeller, key, cup, plate, gaskets) restores proper cooling performance.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eService the gear oil every 100 hours or annually. If the oil appears milky, has metal debris, or smells burned, service immediately and pressure‑test the gearcase to check for leaking seals.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the complete Yamaha model code and serial number from the nameplate, shaft length (L\/X), control type (tiller\/remote), and any known year range. Photos of the nameplate and the part you’re replacing help us verify compatibility.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:980px;margin:0 auto 32px auto;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Start in our main Yamaha collection and refine with the Filter \u0026amp; Sort tools.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block;padding:10px 16px;border-radius:6px;background:#003366;color:#fff;text-decoration:none;\"\u003eShop Yamaha Outboard Parts\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em;color:#374151;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-kit-fits-yamaha-60-90-hp-outboards-replaces-688-44352-03-00-sierra-18-3070","title":"Water Pump Impeller Kit – Fits Yamaha 60-90 HP Outboards (Replaces 688-44352-03-00, Sierra 18-3070)","description":"\u003csection\u003e\n\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Impeller Kit – Fits Yamaha 60-90 HP Outboards (Replaces 688-44352-03-00)\u003c\/strong\u003e provides a reliable solution for maintaining your engine's cooling system. It is designed for a wide range of Yamaha 2-Stroke outboards, including 60–90 HP models from 1984–2019 and specific 115\/200 HP engines from 1992–1994.\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct interchange for Yamaha part number 688-44352-03-00, as well as aftermarket equivalents Sierra 18-3070, GLM 89910, and Mallory 9-45602.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eEngineered for direct OEM-replacement installation.\u003c\/li\u003e\n    \u003cli\u003eSelf-priming design lubricated by the pumped fluid.\u003c\/li\u003e\n    \u003cli\u003eMade from durable, temperature-resistant neoprene rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-3070\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e89910\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-45602\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and year in the table below to ensure accurate fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor Yamaha Outboards:\u003c\/b\u003e This impeller fits various 2-stroke models. Check your specific engine against the compatible years and HP ratings listed.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible Engine Models\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–2019\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e70\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–2019\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e75\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1994–2000\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e80\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1997\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e85\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–1996\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984–2019\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e3 cylinder engines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e115\/200\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1992–1994\u003c\/td\u003e\n        \u003ctd\u003e688-44352-03-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Impeller Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eNeoprene (rubber)\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e58 mm diameter, 29 mm height, 20 mm shaft diameter\u003c\/dd\u003e\n  \u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n  \u003cdt\u003eShaft Size\u003c\/dt\u003e\n\u003cdd\u003e20 mm diameter\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eSelf-priming, pumped fluid provides lubrication\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Impeller (Replaces OEM 688-44352-03-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eDisconnect the battery and spark plug wires for safety.\u003c\/li\u003e\n    \u003cli\u003ePlace the outboard in neutral and remove the lower unit (gearcase).\u003c\/li\u003e\n    \u003cli\u003eLocate and unbolt the water pump housing to access the old impeller.\u003c\/li\u003e\n    \u003cli\u003eClean the housing interior and inspect it for wear or damage.\u003c\/li\u003e\n    \u003cli\u003eInstall the new impeller, ensuring the blades are oriented in the correct rotational direction (typically clockwise).\u003c\/li\u003e\n    \u003cli\u003eReassemble the water pump housing, applying sealant to gaskets if required.\u003c\/li\u003e\n    \u003cli\u003eReinstall the lower unit, ensuring the driveshaft and water tube align correctly.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery and test the engine with a reliable water source to verify proper water flow.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if my impeller needs replacing?\u003c\/summary\u003e\u003cp\u003eCommon signs of a failing impeller include a weak or non-existent water stream from the \"tell-tale\" outlet, engine overheating alerts, or visible cracks, stiffness, or missing blades on the old impeller upon inspection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the recommended replacement interval for an impeller?\u003c\/summary\u003e\u003cp\u003eFor optimal performance and to prevent overheating, it is recommended to inspect your impeller annually and replace it every 1-2 years, or after every 100-200 hours of use, depending on operating conditions (e.g., saltwater vs. freshwater).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this impeller fit my specific Yamaha engine?\u003c\/summary\u003e\u003cp\u003eThis impeller is designed for a broad range of Yamaha models listed in the Engine Compatibility table. Always verify your engine's model, HP, and year fall within the specified range. When in doubt, compare the part number and dimensions to your original part.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat tools are typically needed for installation?\u003c\/summary\u003e\u003cp\u003eYou will generally need a basic socket\/wrench set, screwdrivers, a gasket scraper, and potentially a marine-grade sealant. Refer to your engine's service manual for specific tool requirements.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718263804219,"sku":"17IY017","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IY0171_cb13d5c0-f59c-47c9-9a26-971689c60a05.jpg?v=1762958444"},{"product_id":"water-pump-repair-kit-fits-yamaha-60-90-hp-2-stroke-outboards-replaces-692-w0078-02-00","title":"Water Pump Repair Kit with Housing – Fits Yamaha 60–90 HP 2-Stroke Outboards","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump repair kit with housing\u003c\/strong\u003e is designed for Yamaha 60–90 HP 2-stroke outboards. It is intended for servicing the complete water pump assembly, including the pump housing and related wear, sealing, and drive components. The kit is suitable for listed Yamaha 2-stroke applications covering model families from the mid-1980s through the 2023 model range, subject to exact model and serial-number verification.\u003c\/p\u003e\n\u003cp\u003eThe kit replaces the following Yamaha OEM water pump repair kit references: \u003cstrong\u003e692-W0078-00-00\u003c\/strong\u003e, \u003cstrong\u003e692-W0078-01-00\u003c\/strong\u003e, \u003cstrong\u003e692-W0078-A0-00\u003c\/strong\u003e, and \u003cstrong\u003e692-W0078-02-00\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete service kit with housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for Yamaha 2-stroke outboard water pump service.\u003c\/li\u003e\n  \u003cli\u003eIncludes an impeller, gaskets, O-ring, fasteners, woodruff key, and housing-related components listed below.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement part; not manufactured by Yamaha.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOEM Reference Numbers\u003c\/h2\u003e\n\u003cp\u003eUse the following manufacturer references when comparing your original water pump kit:\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"OEM Reference Numbers\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e692-W0078-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e692-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e692-W0078-A0-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company fitment record identifies this kit for Yamaha 2-stroke 60, 70, 75, 80, 85, and 90 HP applications in the ranges below. Exact model suffix, year, shaft configuration, and serial-number conditions can vary, so compare your engine identification label and the original water pump assembly before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Family\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eApplicable Years\u003c\/th\u003e\n\u003cth\u003eRelevant OEM Reference\u003c\/th\u003e\n\u003cth\u003eFitment Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e60 \/ 60TLR family\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eVerify exact model suffix and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e70 \/ 70TLR family\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eVerify exact model suffix and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC75, P75, E75\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–2023, depending on model family\u003c\/td\u003e\n\u003ctd\u003e692-W0078-01-00 or 692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eConfirm the model year and original kit reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC80\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eExample catalog application: C80TLRV, 1997.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC85 \/ CV85\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–1996, depending on model family\u003c\/td\u003e\n\u003ctd\u003e692-W0078-00-00 or 692-W0078-01-00\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model and year before installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90 \/ 90TJ, 90TLR, 90ETL families\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2023, depending on model family\u003c\/td\u003e\n\u003ctd\u003e692-W0078-00-00, 692-W0078-01-00, or 692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eExamples include 90ETLN, 90ETXN, 90TJRY, 90TJRZ, 90TLRZ, 90TLRC, and 90TLR.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eB90 \/ C90\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eVerify the exact model designation and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e A horsepower and year match alone does not guarantee fitment. Yamaha used different water pump configurations across model families and production years. Match the complete model number, year, serial number where applicable, and OEM reference number before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eWater pump repair kit with housing\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 2-stroke outboard water pump service\u003c\/dd\u003e\n  \u003cdt\u003eRated Applications\u003c\/dt\u003e\n  \u003cdd\u003e60–90 HP, including listed 60, 70, 75, 80, 85, and 90 HP models\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water pump assembly service; professional installation recommended\u003c\/dd\u003e\n  \u003cdt\u003eImpeller\u003c\/dt\u003e\n  \u003cdd\u003eIncluded\u003c\/dd\u003e\n  \u003cdt\u003eHousing\u003c\/dt\u003e\n  \u003cdd\u003eIncluded\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp\u003eThe kit is supplied as a complete water pump service kit with housing. Package components are listed below:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Insert, cartridge (688-44322-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Impeller (688-44352-03)\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump gasket (688-44315-A0)\u003c\/li\u003e\n  \u003cli\u003e1 x Outer plate, cartridge (688-44323-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge gasket (688-44324-A0)\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump gasket (688-44316-A0)\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring (93210-46044)\u003c\/li\u003e\n  \u003cli\u003e2 x Bolt with washer (90119-08M13)\u003c\/li\u003e\n  \u003cli\u003e2 x Bolt with washer (90119-08M16)\u003c\/li\u003e\n  \u003cli\u003e1 x Woodruff key (90280-04M04)\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump housing assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponent appearance and included hardware may vary slightly by production batch. Compare the supplied components with the original assembly before installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n  \u003cli\u003eShift the outboard into neutral and remove the lower unit according to the applicable service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump cover or housing fasteners and carefully disassemble the existing pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller, gaskets, O-ring, wear components, and key. Record the original component order and orientation.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces and inspect the driveshaft, water tube, keyway, and surrounding components for damage or corrosion.\u003c\/li\u003e\n  \u003cli\u003eInstall the new key, gaskets, cartridge and plate components, impeller, and housing in the correct order for your engine model.\u003c\/li\u003e\n  \u003cli\u003eSeat the impeller in the housing without cutting or folding the blades. Follow the service-manual direction for driveshaft rotation.\u003c\/li\u003e\n  \u003cli\u003eInstall the supplied fasteners and tighten them to the manufacturer's specified torque. Do not use a guessed torque value.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, ensuring correct alignment of the driveshaft, shift mechanism, and water tube.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only with an appropriate water supply and confirm a strong tell-tale stream and normal cooling operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat signs indicate a failing water pump?\u003c\/summary\u003e\u003cp\u003eCommon signs include a weak or missing tell-tale stream, overheating warnings, elevated engine temperature, or a damaged, brittle, cracked, or missing impeller blade. Inspect the complete pump assembly when replacing the impeller.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit include the water pump housing?\u003c\/summary\u003e\u003cp\u003eYes. The company product record identifies this item as a water pump service kit with housing. The housing-related cartridge and plate components are also listed in the package contents.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit a Yamaha F90 4-stroke?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for Yamaha 2-stroke outboards. It is not intended for F90 4-stroke models. Verify the engine's stroke type and exact model number before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill a 60–90 HP rating by itself confirm fitment?\u003c\/summary\u003e\u003cp\u003eNo. Model family, year, serial range, shaft configuration, and pump design must be considered together. Match your exact engine information and OEM reference number to the compatibility information above.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need additional gaskets or sealants?\u003c\/summary\u003e\u003cp\u003eThe listed gaskets and O-ring are included for the standard water pump service. Do not add sealants unless the applicable Yamaha service procedure specifically calls for them. Use only suitable marine lubricant where required by the service manual.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a genuine Yamaha component?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit designed to replace the listed Yamaha water pump repair kit references. Yamaha is a trademark of its respective owner and is used only to identify application compatibility.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I install the kit without a service manual?\u003c\/summary\u003e\u003cp\u003eProfessional installation or use of the correct model-specific service manual is recommended. Incorrect impeller orientation, damaged sealing surfaces, misalignment, or improper fastener torque can cause water-pump failure or engine overheating.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model, year, stroke type, and serial-number conditions before ordering.\u003c\/li\u003e\n  \u003cli\u003eCompare the original pump assembly and OEM reference number with the supplied components.\u003c\/li\u003e\n  \u003cli\u003eNever operate an outboard without an adequate water supply.\u003c\/li\u003e\n  \u003cli\u003eStop operation immediately if the tell-tale stream is weak, the engine overheats, or an alarm occurs.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not a genuine Yamaha component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and reliable cooling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine replacement parts for routine outboard maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003eApplication-focused product information to help match parts to the correct engine.\u003c\/li\u003e\n  \u003cli\u003eAftermarket alternatives for maintaining cooling-system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723980345659,"sku":"24KY156","price":52.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_75_to_90_HP_692-W0078-00_-_JLM_MARINE-8289120.jpg?v=1763039210"},{"product_id":"water-pump-repair-kit-fits-yamaha-60-90hp-2-stroke-replaces-692-w0078-02-00-18-3370","title":"Water Pump Repair Kit Without Housing for Yamaha 2-Stroke Outboards – Replaces 692-W0078-02, Sierra 18-3370","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump repair kit without housing\u003c\/strong\u003e is designed for selected Yamaha 2-stroke outboards. It is intended to renew the serviceable water-pump components while reusing the existing pump housing when that housing is in suitable condition.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed for Yamaha water-pump applications associated with OEM reference \u003cstrong\u003e692-W0078-02\u003c\/strong\u003e and aftermarket reference \u003cstrong\u003eSierra 18-3370\u003c\/strong\u003e. The housing is not included. Inspect your original housing, cover, and mating surfaces before installation and replace any worn or damaged housing separately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater pump service kit for Yamaha 2-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eWithout water-pump housing; reuses the existing housing when serviceable.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement for the listed Yamaha and Sierra references.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact engine model, year, and existing part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese are the customer-facing manufacturer and aftermarket references associated with this service-kit application. They should not be treated as interchangeable with complete kits that include a housing.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eApplication note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003ctd\u003ePrimary OEM reference listed for this product\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3370\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference for a water-pump kit without housing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company fitment data lists the following Yamaha 2-stroke application groups. Model suffixes, shaft configuration, production year, and serial-number breaks can affect fitment, so verify the complete model designation against your service manual before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or horsepower group\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears listed\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e60 HP, 70 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC75, P75, C80, 90, B90, C90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2023\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eE75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–1996; also listed in the broader company application data\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC85\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991–1996\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eCV85\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–1990\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1991\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eP75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–1996\u003c\/td\u003e\n\u003ctd\u003e692-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump repair kit\u003c\/dd\u003e\n  \u003cdt\u003eHousing\u003c\/dt\u003e\n\u003cdd\u003eNot included; service kit is supplied without water-pump housing\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n\u003cdd\u003eYamaha 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003ePrimary OEM Reference\u003c\/dt\u003e\n\u003cdd\u003e692-W0078-02\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n\u003cdd\u003eSierra 18-3370\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eProfessional installation is recommended; reuse the original housing only if it passes inspection\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis listing is for the water-pump service kit without housing. The company record does not provide a verified component-by-component quantity list for this exact product. Do not assume that a complete water-pump housing, housing cover, or other unlisted hardware is included.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater-pump repair-kit components as supplied for the listed application\u003c\/li\u003e\n  \u003cli\u003eWater-pump housing not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eUse the service procedure and torque specifications in the engine manufacturer’s workshop manual for your exact model.\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, year, stroke, and existing water-pump reference before disassembly.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the manufacturer’s procedure.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water-pump service components and carefully clean the mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eInspect the original housing, cover, keyway, driveshaft area, and water tube for wear, scoring, corrosion, or deformation.\u003c\/li\u003e\n  \u003cli\u003eDo not reuse a damaged housing. This kit does not include a replacement housing.\u003c\/li\u003e\n  \u003cli\u003eInstall the new service-kit components in the correct orientation, using the workshop manual for assembly details and torque values.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, refill gear lubricant if required by the service procedure, and check for proper cooling-water flow.\u003c\/li\u003e\n  \u003cli\u003eRun the engine safely and verify a steady tell-tale stream before returning it to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow can I confirm this kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eMatch the full model designation, horsepower, stroke, year, and any serial-number condition to the compatibility information and your service manual. The OEM reference 692-W0078-02 and aftermarket reference Sierra 18-3370 are useful cross-checks, but the exact engine model remains the final fitment check.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this kit include the water-pump housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. This product is the repair-kit version without housing. The existing housing must be reusable or replaced separately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of water-pump service being needed?\u003c\/summary\u003e\n  \u003cp\u003eA weak or intermittent tell-tale stream, overheating warning, or reduced cooling performance can indicate a water-pump problem. Stop operation if the engine overheats and inspect the cooling system promptly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install this kit without checking the old housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. Because the housing is not included, inspect it for scoring, corrosion, distortion, and excessive wear before installing the service-kit components.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Yamaha part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement associated with Yamaha OEM reference 692-W0078-02 and aftermarket reference Sierra 18-3370. Yamaha and Sierra are referenced only for identification and fitment comparison.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model and year before ordering.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement components with the original parts before installation.\u003c\/li\u003e\n  \u003cli\u003eThe water-pump housing is not included.\u003c\/li\u003e\n  \u003cli\u003eFollow the engine manufacturer’s service manual for disassembly, torque, lubrication, and testing procedures.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket service components for common marine maintenance applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Product references and application information are provided to support careful model verification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Always use the manufacturer’s service information for installation and final compatibility confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723980804411,"sku":"20KY005","price":32.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_60-90_HP__692-W0078-00_-_JLM_MARINE-8288047.jpg?v=1763039235"}],"url":"https:\/\/seasierra.com\/collections\/yamaha-2-stroke-60-90hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}