{"title":"Parsun 4-Stroke 13.5HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e3e3e3; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Parsun 4‑Stroke 13.5HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement items, and troubleshooting guidance. Many service components on small Parsun 4‑stroke models are cross‑compatible with Yamaha small outboards—you can also browse Yamaha Outboard Parts. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the “Filter \u0026amp; Sort” controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse Yamaha‑Compatible Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 13.5HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the nameplate\/serial tag on the transom clamp bracket or swivel bracket. It lists model designation, serial number, and often shaft length.\u003c\/li\u003e\n    \u003cli\u003eDecode suffixes: S\/L\/XL typically indicate shaft length (short\/long\/extra‑long). Additional letters may note tiller vs. remote control and manual vs. electric start.\u003c\/li\u003e\n    \u003cli\u003eConfirm 4‑stroke features: presence of an oil fill cap\/dipstick and oil filter on the powerhead. Check carburetor choke\/primer style if ordering fuel system parts.\u003c\/li\u003e\n    \u003cli\u003eParts alignment: 13.5HP Parsun models commonly share the small 9.9–15HP platform. Verify block family and serial to match impeller, spark plugs, and gasket styles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eSmall twin‑cylinder 4‑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 #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; 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‑2, SOHC, carbureted 4‑stroke outboard in the 9.9–15HP class.\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;\"\u003e13.5HP 4‑stroke variants in short\/long shaft, tiller or remote, manual or electric start.\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;\"\u003eQuiet, fuel‑efficient running, easy pull‑starting, reliable cooling with routine impeller 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 service parts (impeller, anodes, spark plugs, fuel filter) align with the broader small 4‑stroke platform used across 9.9–15HP classes. Always confirm via serial\/model tag before ordering.\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the official service manual for your exact model and operating 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 #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; 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;\"\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFirst 20 hrs, then every 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse FC‑W marine 10W‑30 (or as specified). Warm engine before draining; confirm capacity in manual.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace drain\/fill gaskets; check for water\/milkiness. Pressure test if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower 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;\"\u003eInspect every 100 hrs; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eVerify heat range and gap for your specific model; replace if fouled or eroded.\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 (inline\/under‑cowl)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or each season\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace more often with ethanol fuel or dirty tanks. Inspect primer bulb and connectors.\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 2–3 seasons or 200 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace sooner if tell‑tale weak\/erratic or any overheat event. Full kit recommended every second change.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild 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 \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hrs; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eChoose zinc (salt), aluminum (brackish\/salt), or magnesium (fresh) per water type.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller \u0026amp; hardware check\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEach service and after any strike\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRemove prop to clear fishing line; inspect thrust washer, cotter pin, and grease the shaft.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px; color:#666;\"\u003e*Intervals assume normal recreational use; shorten for commercial, high‑hour, or severe environments.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eWater Pumps\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\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eSeals \u0026amp; Gaskets: \u003ca href=\"https:\/\/seasierra.com\/collections\/oil-seals\"\u003eOil Seals\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:24px;\"\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 #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; 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 or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eClear intake screens; inspect tell‑tale for blockage; check impeller age; verify thermostat action.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump impeller\/kit, intake screen, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFresh fuel; replace fuel filter; inspect prop for damage or wrong pitch; check spark plugs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFuel filter, spark plugs, propeller, carburetor cleaning kit\/seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePrime fuel system; verify choke operation; check plug gap\/condition; look for air leaks at fuel connectors.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs, fuel pump diaphragm, fuel connector, carb gaskets\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;\"\u003eDrain and inspect gear oil; remove prop to check for fishing line; test seals; verify correct thrust washer.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, prop shaft seals, bearings, thrust washer\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSmoke or oily sheen (4‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for engine oil overfill; verify correct fuel level; ensure choke isn’t stuck; inspect air filter\/breather.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOil filter, gaskets\/seals, air filter element\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eMany wear items (impellers, anodes, spark plugs, inline fuel filters) are shared across the small 9.9–15HP 4‑stroke class, but components can vary by year, shaft length, and starting\/controls. Confirm by serial\/model tag and measurements before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule, every 2–3 seasons or about 200 hours. Replace sooner if the tell‑tale is weak\/erratic, after any overheat event, or if operating in sandy\/silty water. Consider a full pump kit (housing\/plate\/seals) every second change.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eAt least annually or every 100 hours. If the oil appears milky (water intrusion) or metallic, service immediately and pressure‑test the gearcase to identify 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\u003eProvide the model\/serial number from the nameplate, shaft length, tiller vs. remote, manual vs. electric start, and clear photos of the part\/area. This ensures accurate matching across similar 9.9–15HP platform variations.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:24px; padding:16px; border:1px solid #e3e3e3; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find the parts you need? Browse Yamaha Outboard Parts by horsepower, year, and model to locate cross‑compatible components commonly used on small Parsun 4‑stroke engines.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse Yamaha‑Compatible Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; font-size:12px; color:#555;\"\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-15-20-hp-4-stroke-replaces-6ah-w0078-00-00","title":"Complete Water Pump Repair Kit for Yamaha F15C and F20 4-Stroke Outboards – Replaces 6AH-W0078-00-00","description":"\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 {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc;\n  }\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ecomplete water pump repair kit\u003c\/strong\u003e is designed for select Yamaha F15C and F20 4-stroke outboard motors. It provides the main water-pump service components needed to restore reliable cooling-water circulation and help protect the engine from overheating.\u003c\/p\u003e\n\u003cp\u003eThe kit is an aftermarket replacement for Yamaha OEM part number \u003cstrong\u003e6AH-W0078-00-00\u003c\/strong\u003e. Yamaha parts catalogs identify this number as a water pump repair kit for applicable F15C and F20 4-stroke models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete water pump repair kit with housing and service components.\u003c\/li\u003e\n  \u003cli\u003eDesigned for selected Yamaha 15 HP and 20 HP 4-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement part; not manufactured by Yamaha.\u003c\/li\u003e\n  \u003cli\u003eVerify the engine model, year, and OEM part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Information\u003c\/h2\u003e\n\u003cp\u003eUse the following reference to compare the kit with the part listed in your engine parts catalog.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Information\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eDescription\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\u003e6AH-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eWater pump repair kit reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eCatalog records identify this water pump repair kit on selected Yamaha F15C and F20 4-stroke outboards, including 2007–2010 applications. Model suffixes, production year, shaft configuration, and serial-number ranges can affect fitment, so compare your complete engine identification label and OEM part number before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel Family\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eDocumented Application Years\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003eF15C series\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2007–2010 catalog applications\u003c\/td\u003e\n        \u003ctd\u003e6AH-W0078-00-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF20 series\u003c\/td\u003e\n        \u003ctd\u003e20\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2007–2010 catalog applications\u003c\/td\u003e\n        \u003ctd\u003e6AH-W0078-00-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eComplete water pump repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha F15C and F20 4-stroke outboard motors\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Reference\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 6AH-W0078-00-00\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water-pump service installation\u003c\/dd\u003e\n  \u003cdt\u003eProduct Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement; not an OEM Yamaha component\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 Water Pump Housing (6AH-44311-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge Insert (63V-44322-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Water Seal Damper (6L2-44367-01-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Water Pump Impeller (63V-44352-01-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Woodruff Key (664-44338-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (93210-49046-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge Outer Plate (6AH-44323-00-00)\u003c\/li\u003e\n  \u003cli\u003e2 x Plate (63V-44328-01-00)\u003c\/li\u003e\n  \u003cli\u003e2 x Dowel Pin (93604-10M03-00)\u003c\/li\u003e\n  \u003cli\u003e4 x Bolt (97095-08045-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, year, serial-number range, and existing water-pump part number before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery according to the engine service-manual procedure and remove the engine cover as required.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit or gearcase to access the water-pump assembly.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing pump housing and service components.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces carefully and remove old gasket material, debris, and corrosion.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement components in the same order and orientation as the original parts, following the engine manufacturer's service manual.\u003c\/li\u003e\n  \u003cli\u003eReassemble the pump housing, tighten fasteners to the manufacturer's specified torque, and reinstall the lower unit.\u003c\/li\u003e\n  \u003cli\u003eBefore operating the engine, place the lower unit in water or use an appropriate flushing attachment. Confirm a steady tell-tale water stream and check for leaks or overheating.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare the engine brand, model family, horsepower, stroke, year, and serial-number range with your service manual or parts catalog. The OEM reference for this listing is 6AH-W0078-00-00. Do not rely on horsepower alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a failing water pump?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include engine overheating, an overheating alarm, reduced water flow, or a weak, intermittent, or missing stream from the tell-tale outlet.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the water-pump components be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplacement intervals depend on the manufacturer's maintenance schedule and operating conditions. Frequent use in saltwater, muddy water, or sandy conditions may require more frequent inspection and service.\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\u003eYes. This listing is for a complete water pump repair kit and includes the housing and the service components listed in the “What’s in the Box” section.\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 kit intended for applications that use the listed Yamaha OEM reference. Yamaha is a trademark of its respective owner and is used only to describe compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install the kit without a service manual?\u003c\/summary\u003e\n  \u003cp\u003eWater-pump service requires removal of the lower unit and correct component orientation and fastener torque. Use the correct engine service manual or have the work performed by a qualified marine technician.\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 identification and OEM part number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the outboard without adequate water supply to the cooling system.\u003c\/li\u003e\n  \u003cli\u003eReplace damaged, corroded, or worn related components discovered during installation.\u003c\/li\u003e\n  \u003cli\u003eFollow the engine manufacturer's procedures for battery disconnection, lower-unit removal, seal installation, and bolt torque.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement part and is not an original Yamaha component.\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 provide replacement components for common outboard maintenance and repair needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around engine models, OEM references, and service requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Fitment Checks\u003c\/strong\u003e — Compare your engine identification and original part number before ordering to help ensure the correct application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718267801915,"sku":"YY-17KY006","price":44.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/YY-17KY006.png?v=1762958604"}],"url":"https:\/\/seasierra.com\/collections\/parsun-4-stroke-13-5hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}