{"title":"Yamaha 6-15HP 4-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page covers Yamaha 4‑Stroke 6–15HP outboard engines. Use it to quickly find compatible parts and key service information. Below you7ll find maintenance intervals, common replacement parts, and troubleshooting guidance. You can also browse the main Yamaha collection at any time. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the Filter \u0026amp; Sort controls on the collection page to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#004AAD; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Yamaha Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:980px; padding:8px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 615HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial plate location: typically on the transom bracket (port side) or clamp area; a matching sticker may be under the cowling.\u003c\/li\u003e\n    \u003cli\u003eModel code and suffix: the F prefix denotes 4‑Stroke; suffix letters indicate shaft length (S\/L\/XL), start type (M\/E), and control style (tiller vs remote). Example families may include F6, F8, F9.9, F13.5, and F15.\u003c\/li\u003e\n    \u003cli\u003ePlatform hints: smaller 6HP units are usually single‑cylinder; 8–15HP models are commonly inline‑2 four‑strokes. Cowling decals alone are not definitivealways verify the exact model code.\u003c\/li\u003e\n    \u003cli\u003eYear clues: emissions labels and serial ranges can indicate early‑ to late‑2000s production on many models; confirm against your service manual.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:980px; padding:8px 0;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eSingle‑Cylinder 4Stroke (approx. 6HP class)\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:6px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSingle‑cylinder, carbureted 4‑stroke; manual start and tiller control are common.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eF6 series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLightweight, portable, straightforward maintenance, excellent for dinghies and trolling.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eShares several service parts with related small 4‑stroke families; verify prop spline count and gearcase details before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eInline‑2 4Stroke (815HP class)\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:6px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInline‑2, carbureted 4‑stroke; available in multiple shaft lengths and control options.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eF8, F9.9, early‑2000s F13.5 and F15 families.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSmooth idle, good mid‑range torque, economical cruising.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eMany service parts interchange within the same generation, but propellers and water pump kits can vary by year and gearcase. Confirm via model code and serial.\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; padding:8px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are typical guidelines for small Yamaha 4‑Stroke outboards. Always follow your engine7s official service manual for exact procedures and schedules.\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:6px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEngine oil + oil filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eUse NMMA FC‑W 10W‑30\/10W‑40 where specified; warm the engine before draining.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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:6px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCheck for water intrusion or metallic paste; replace crush washers and seals as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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:6px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every 100 hours; replace as required\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eVerify correct heat range and gap; fouling often indicates fuel or idle issues.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eFuel filter (inline\/microfilter)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace sooner if surging or hesitation occurs; drain water separators frequently.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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:6px;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 2–3 seasons (or 200 hours)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect annually; replace if telltale weak, overheat alarm sounds, or after sandy\/silty use.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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:6px;\"\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every 3 months; replace when 50% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eMatch material (aluminum\/magnesium\/zinc) to your water type for best protection.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\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:#6b7280;\"\u003e*Intervals are typical for recreational use; shorten for heavy\/commercial duty or harsh environments.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:980px; padding:8px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service Kits  \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 (impellers\/kits)  \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 Filters  \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\u003eCorrosion Protection  \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eLower Unit \/ Seals  \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  \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-propellers\"\u003eYamaha Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:980px; padding:8px 0;\"\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:6px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWeak telltale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect intake screens for debris, verify water pump impeller condition, and confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWater pump repair kit, intake screen, thermostat, anodes.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCheck fuel freshness, primer bulb integrity, choke\/enrichment function, and spark plug condition\/gap.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSpark plugs, fuel filter, fuel lines\/hoses, carburetor service parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLook for damaged prop, fuel restriction, dirty plugs, and verify throttle linkage\/carb sync.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePropeller, fuel filter, spark plugs, air intake components.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eDrain and inspect gear oil, check for water intrusion, assess prop shaft seal and bearing condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLower unit seal kit, bearings, shims, gear oil and new drain screw washers.\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; padding:8px 0;\"\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\u003eSome items (plugs, filters, anodes) may interchange within the same generation, but water pump kits, props, and gearcase seals can vary by year and gearcase family. Always confirm with the full model code and serial.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eInspect yearly and replace every 23 seasons, or immediately if the telltale is weak, you7ve ingested sand\/silt, or the engine triggered an overheat alarm.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should lower unit gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually. Change sooner if the oil appears milky, smells burnt, or you hear abnormal gearcase noise.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the exact model code, serial number, shaft length, start\/control type, and a clear photo of the nameplate. Pictures of the existing part also help ensure a correct match.\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;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year and model? Browse our Yamaha selection and use Filter \u0026amp; Sort to narrow your results.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#004AAD; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop the Yamaha Collection\u003c\/a\u003e\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:12px; color:#6b7280;\"\u003eIf you7re unsure about your model, send us a photo of the nameplate and the part you need and we7ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-repair-kit-fits-yamaha-6-15-hp-replaces-63v-44301-00-63v-w0078-00","title":"Water Pump Service Kit with Housing for Yamaha Outboards – 2-Stroke 9.9\/15 HP and 4-Stroke F9.9-2, T9.9-2, F15","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 \u003cstrong\u003ewater pump service kit with housing\u003c\/strong\u003e is an aftermarket replacement assembly for selected Yamaha outboard engines. It is intended to restore water circulation through the cooling system by replacing the water pump housing and related service components in the lower unit.\u003c\/p\u003e\n\u003cp\u003eCompany fitment information covers Yamaha 2-stroke 9.9 HP and 15 HP outboards from 1996–2023, plus selected 4-stroke F9.9-2, T9.9-2, and F15 models. The kit is associated with Yamaha reference number \u003cstrong\u003e63V-W0078-00 WH\u003c\/strong\u003e and aftermarket reference \u003cstrong\u003eSierra 18-3412\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete service kit supplied with a water pump housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for installation in the lower-unit gearcase.\u003c\/li\u003e\n  \u003cli\u003eReplaces worn pump components to help restore reliable cooling-water flow.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact engine model, stroke, year, and original pump assembly before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are customer-facing OEM or aftermarket references associated with this water pump kit. Part-number revisions and application conditions can vary by engine model.\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\u003ctr\u003e\n\u003cth\u003eBrand or source\u003c\/th\u003e\n\u003cth\u003ePart number\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\u003e63V-W0078-00 WH\u003c\/td\u003e\n\u003ctd\u003eCompany-listed reference for the kit with housing.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-00-00\u003c\/td\u003e\n\u003ctd\u003eCatalog reference associated with the water pump repair kit.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-01-00\u003c\/td\u003e\n\u003ctd\u003eCatalog reference associated with selected 2-stroke and 4-stroke applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-44301-00 \/ 63V-44301-00-00\u003c\/td\u003e\n\u003ctd\u003eWater pump housing reference associated with the complete kit in aftermarket catalog data.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3412\u003c\/td\u003e\n\u003ctd\u003eAftermarket water pump kit reference; company-listed for this product.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3356\u003c\/td\u003e\n\u003ctd\u003eAftermarket housing reference found in catalog cross-reference data; verify before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHJ\u003c\/td\u003e\n\u003ctd\u003eYHJB-63V\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-43254\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003e15-06060001\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\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\u003eUse the complete engine identification—not horsepower alone—to confirm fitment. Keep the stroke type, model designation, and year together when comparing your engine with the information below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine 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\u003eYears or scope\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003e9.9 \/ 15\u003c\/td\u003e\n\u003ctd\u003e9.9, 15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2023\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment scope.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eF9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eT9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eF15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eCatalog references also associate this pump family with selected Yamaha 9.9 HP and 15 HP 2-stroke models and selected F9.9, T9.9, and F15 4-stroke models. Because model suffixes, production years, and lower-unit configurations can affect fitment, compare the original housing and pump assembly before installation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump service kit with housing\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Location\u003c\/dt\u003e\n\u003cdd\u003eLower unit \/ gearcase\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Yamaha 2-stroke and 4-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003e2-Stroke Fitment\u003c\/dt\u003e\n\u003cdd\u003e9.9 HP and 15 HP, 1996–2023 according to company fitment data\u003c\/dd\u003e\n  \u003cdt\u003e4-Stroke Fitment\u003c\/dt\u003e\n\u003cdd\u003eF9.9-2, T9.9-2, and F15 according to company fitment data\u003c\/dd\u003e\n  \u003cdt\u003eHousing\u003c\/dt\u003e\n\u003cdd\u003eIncluded\u003c\/dd\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis is a complete service kit with housing. Component names and quantities may vary slightly by the exact engine application; compare the supplied parts with the original assembly before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water pump housing\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n  \u003cli\u003e1 x Wear plate\u003c\/li\u003e\n  \u003cli\u003e1 x Impeller key\u003c\/li\u003e\n  \u003cli\u003e1 x Insert or pump cup\u003c\/li\u003e\n  \u003cli\u003eWater pump seals and gaskets for the applicable assembly\u003c\/li\u003e\n  \u003cli\u003eWater pump mounting hardware for the applicable assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery, place the outboard in neutral, and follow the engine manufacturer’s service procedures.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit while supporting it securely and noting the shift-shaft linkage position.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water pump housing and inspect the driveshaft, pump base, keyway, and surrounding surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces and remove old gasket material without damaging the sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eInstall the new pump components, including the impeller key, impeller, wear plate, seals, and housing, in the correct order for your engine.\u003c\/li\u003e\n  \u003cli\u003eOrient the impeller vanes according to the direction of rotation and apply only the lubricant recommended by the service manual.\u003c\/li\u003e\n  \u003cli\u003eInstall the supplied hardware and tighten fasteners to the engine manufacturer’s specified torque.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, ensuring correct driveshaft engagement, shift-shaft alignment, and water-tube connection.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate test tank or with a suitable flushing device. Confirm a steady tell-tale 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 know if my water pump needs service?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include overheating, a weak or intermittent tell-tale stream, reduced cooling-water flow, or a damaged, brittle, or deformed impeller. A worn housing, scored plate, damaged seals, or a blocked water passage can produce similar symptoms.\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. The company record identifies this product as a water pump service kit with housing. The housing is included with the service components supplied for the applicable assembly.\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 listing is for an aftermarket replacement kit. Yamaha names and part numbers are shown only as application and reference information.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this kit for any Yamaha 9.9 or 15 HP outboard?\u003c\/summary\u003e\n  \u003cp\u003eNo. Horsepower alone does not confirm fitment. The company-listed scope covers selected 2-stroke 9.9 HP and 15 HP engines from 1996–2023 and selected 4-stroke F9.9-2, T9.9-2, and F15 models. Verify the complete model designation, stroke type, year, and original pump assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the water pump be serviced?\u003c\/summary\u003e\n  \u003cp\u003eService intervals depend on operating conditions and the engine manufacturer’s maintenance schedule. Inspect the impeller and pump components regularly, and service them sooner if the engine has been run in sand, mud, salt water, or contaminated water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if the supplied parts do not match my original assembly?\u003c\/summary\u003e\n  \u003cp\u003eDo not force the parts into place or operate the engine. Stop installation and compare the complete engine model, year, stroke, original part numbers, housing shape, and mounting pattern before proceeding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify fitment using the complete engine model and year before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard without an adequate water supply for cooling.\u003c\/li\u003e\n  \u003cli\u003eUse the service manual for torque values, sealant requirements, shift linkage adjustment, and final testing.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation by a qualified marine technician is recommended.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement product and is not manufactured or supplied by Yamaha.\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 practical aftermarket components for routine service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around engine model, stroke, year, and component fitment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Installation\u003c\/strong\u003e — Always compare the original assembly and consult the engine service information before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723981066555,"sku":"23KY076","price":35.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_6_to_15_hp_63V-44301-00_-_JLM_MARINE-8288887.jpg?v=1763039248"},{"product_id":"carburetor-fits-yamaha-9-9-15hp-two-stroke-four-stroke-replaces-63v-14301-00","title":"Carburetor for Yamaha 9.9\/15 HP Two-Stroke Outboards, 1996–2003 – Replaces 63V-14301-00","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 is an aftermarket replacement \u003cstrong\u003ecarburetor for Yamaha 9.9 HP and 15 HP two-stroke outboard engines from 1996 through 2003\u003c\/strong\u003e. It is intended for applications that use one of the listed Yamaha reference numbers and is supplied as a single carburetor assembly.\u003c\/p\u003e\n\u003cp\u003eThe assembly is listed as a replacement for Yamaha reference numbers \u003cstrong\u003e63V-14301-10-00\u003c\/strong\u003e, \u003cstrong\u003e63V-14301-00\u003c\/strong\u003e, and \u003cstrong\u003e63V-14301-01-00\u003c\/strong\u003e. It is also cross-referenced to aftermarket number \u003cstrong\u003e18-34603\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement carburetor assembly for selected Yamaha two-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eApplication range: Yamaha 9.9 HP and 15 HP two-stroke models, model years 1996–2003.\u003c\/li\u003e\n  \u003cli\u003eSingle replacement component; this is not a kit.\u003c\/li\u003e\n  \u003cli\u003eAftermarket part, not a Yamaha-branded OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following reference numbers to compare your original carburetor before ordering. Part-number matching alone does not replace verification of the engine model and year.\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\u003eReference Type\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003ctd\u003e18-34603\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\u003eThe company fitment record identifies this carburetor for the following application range:\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha Two-Stroke Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated Horsepower\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eModel Years\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n        \u003ctd\u003e9.9 HP\u003c\/td\u003e\n        \u003ctd\u003eTwo-stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2003\u003c\/td\u003e\n        \u003ctd\u003eSelected models using the listed reference numbers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n        \u003ctd\u003e15 HP\u003c\/td\u003e\n        \u003ctd\u003eTwo-stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2003\u003c\/td\u003e\n        \u003ctd\u003eSelected models using the listed reference numbers\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 This listing is not identified for Yamaha four-stroke engines. Confirm the exact engine model, model year, original carburetor and reference number before purchase. Do not rely on horsepower alone.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eCarburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 9.9 HP and 15 HP two-stroke outboard engines\u003c\/dd\u003e\n  \u003cdt\u003eModel Years\u003c\/dt\u003e\n  \u003cdd\u003e1996–2003\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation; verify mounting and linkage details against the original part\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle carburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eReference Numbers\u003c\/dt\u003e\n  \u003cdd\u003e63V-14301-10-00, 63V-14301-00, 63V-14301-01-00, and 18-34603\u003c\/dd\u003e\n  \u003cdt\u003eProduct Classification\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement part\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 Carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMounting gaskets, fuel filters and other service components are not included unless specifically shown or stated in the order details. A separate fuel filter assembly may be required for the engine service.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, model year, original carburetor configuration and reference number before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eShut off the fuel supply, disconnect the battery where applicable, and allow the engine to cool completely.\u003c\/li\u003e\n  \u003cli\u003eRemove the engine cowling and document the routing of the fuel line, throttle linkage and choke components.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel line and control linkages, then remove the original carburetor from the intake assembly.\u003c\/li\u003e\n  \u003cli\u003eInspect the mounting surface and replace worn or damaged gaskets before installing the replacement carburetor.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement assembly and tighten the fasteners evenly according to the engine manufacturer's service procedures.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel line and all control linkages. Confirm that the throttle and choke move freely through their full range.\u003c\/li\u003e\n  \u003cli\u003eRestore the fuel supply and inspect all connections for leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eStart the engine in a safe, well-ventilated area and check idle, acceleration, fuel delivery and leakage.\u003c\/li\u003e\n  \u003cli\u003eIf adjustment or synchronization is required, follow the applicable Yamaha service procedure or use a qualified marine technician.\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 carburetor fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm all of the following: Yamaha brand, 9.9 HP or 15 HP rating, two-stroke engine configuration, model year from 1996 through 2003, and a matching original reference number such as 63V-14301-10-00, 63V-14301-00 or 63V-14301-01-00. Also compare the mounting points, linkage arrangement and images of the original component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this carburetor fit Yamaha four-stroke engines?\u003c\/summary\u003e\n  \u003cp\u003eNo four-stroke application is identified for this product. The stated application is limited to selected Yamaha 9.9 HP and 15 HP two-stroke outboards from model years 1996–2003.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This product is a single carburetor assembly, not a multi-part kit. Fuel filters, mounting gaskets and other service parts are not included unless specifically listed with the order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a gasket included?\u003c\/summary\u003e\n  \u003cp\u003eA mounting gasket is not included in the stated package contents. Use a new gasket where required by the engine manufacturer's service procedure.\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 listing is for an aftermarket replacement carburetor. The Yamaha numbers shown are reference numbers used to help verify application and interchange.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs that a carburetor needs service?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms can include difficult starting, unstable idle, stalling, hesitation during acceleration, poor running under load, fuel leakage or an incorrect fuel mixture. These symptoms can also result from fuel-system, ignition or compression problems, so diagnose the engine before replacing parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install this carburetor without adjustment?\u003c\/summary\u003e\n  \u003cp\u003eInstallation and adjustment requirements vary by engine condition and application. After installation, inspect for leaks and verify idle and throttle operation. Follow the applicable service procedure and have adjustments performed by a qualified marine technician when necessary.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the exact engine model, model year, stroke type and original reference number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not use the former four-stroke compatibility claim for this product; the documented application is two-stroke only.\u003c\/li\u003e\n  \u003cli\u003eFuel is flammable. Work in a well-ventilated area away from ignition sources and clean up spills immediately.\u003c\/li\u003e\n  \u003cli\u003eInspect all fuel connections for leaks before operating the engine.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are unfamiliar with outboard fuel systems or carburetor adjustment.\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 — Replacement components for selected outboard service applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Verify engine details and reference numbers before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical Support\u003c\/strong\u003e — Use the documented fitment and package information to select the correct replacement part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723981099323,"sku":"17CA63V","price":85.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Carburetor_for_Yamaha_99_15_HP_63V-14301-00_-_JLM_MARINE-8285767.jpg?v=1763039249"}],"url":"https:\/\/seasierra.com\/collections\/yamaha-6-15hp-4-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}