{"product_id":"water-pump-repair-kit-fits-yamaha-outboard-f150-f200-f225-f250-replaces-61a-w0078-a3-00-61a-w0078-a4-00","title":"Water Pump Repair Kit – Fits Yamaha Outboard F150\/F200\/F225\/F250 (Replaces 61A-W0078-A3-00, 61A-W0078-A4-00)","description":"\u003csection\u003e\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 Repair Kit – Fits Yamaha Outboard F150\/F200\/F225\u003c\/strong\u003e provides all necessary components to service the cooling system on a wide range of Yamaha outboards, including F150, F200, F225, and F250 4-stroke models from 2004 to present, as well as many 2-stroke models dating back to 1992. It is a critical component for the 100-hour and 300-hour service schedules.\u003c\/p\u003e\n\u003cp\u003eThis kit is a direct replacement for Yamaha OEM part numbers 61A-W0078-A3-00 and the current supersession, 61A-W0078-A4-00.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eEngineered for direct OEM-replacement installation.\u003c\/li\u003e\n    \u003cli\u003eMaintains proper engine temperature and prevents overheating.\u003c\/li\u003e\n    \u003cli\u003eIncludes key components such as the impeller, gaskets, and housing plates.\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.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eSuperseded By\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\u003e61A-W0078-A3-00\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003ePrevious part number\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eCurrent supersession\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\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis kit fits a wide variety of Yamaha outboard engines. Please check your model and year range carefully.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\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\u003eF150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–Present\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003eCurrent part superseded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF200\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–Present\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003eCurrent part superseded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF225\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–Present\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003eCurrent part superseded\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1992–Present\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1992–Present\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eS150, SX150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eS200, SX200\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eS250, SX250\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eV150, VX150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eV250, VX250\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eVZ150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eVZ200 (2.6L)\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eZ150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eZ300\u003c\/td\u003e\n        \u003ctd\u003e300\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll years\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eP150, P200\u003c\/td\u003e\n        \u003ctd\u003e150, 200\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1997–1999\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1997–1999\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003ePX150\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999\u003c\/td\u003e\n        \u003ctd\u003e61A-W0078-A3-00\/61A-W0078-A4-00\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\u003eOutboard Water Pump Repair 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\u003eComposite\/Plastic with metal components\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eMarine outboard cooling system\u003c\/dd\u003e\n  \u003cdt\u003eService Schedule\u003c\/dt\u003e\n\u003cdd\u003eEvery 100 hours or annually (recommended)\u003c\/dd\u003e\n  \u003cdt\u003eRequired Service\u003c\/dt\u003e\n\u003cdd\u003eEvery 300 hours or 3 years (mandatory)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eIncludes impeller, housing plates, gaskets, seals, and mounting hardware\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 Insert, Cartridge (61A-44322-02-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-86M38-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-37M67-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E5-44352-01-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Outer Plate, Cartridge (6G5-44323-01-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket, Water Pump (6E5-44315-A0-00)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e2 x Pine, Dowel (93606-12019-00)\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolt, With Washer (90119-08M14-00)\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x Key, Woodruff (90280-04M05-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eDisconnect the battery and ensure the engine is tilted to a safe working position.\u003c\/li\u003e\n    \u003cli\u003ePlace a drain pan under the lower unit and remove the gearcase drain and vent screws to drain the lubricant.\u003c\/li\u003e\n    \u003cli\u003eRemove the bolts securing the lower unit (gearcase) to the upper casing and carefully lower it.\u003c\/li\u003e\n    \u003cli\u003eUnbolt and remove the old water pump housing assembly. Note the orientation of all parts.\u003c\/li\u003e\n    \u003cli\u003eClean the mounting surfaces and inspect the driveshaft for any wear or damage.\u003c\/li\u003e\n    \u003cli\u003eInstall the new components from the kit in the reverse order of disassembly. Ensure the new impeller vanes are turned in the correct direction (typically clockwise when viewed from above).\u003c\/li\u003e\n    \u003cli\u003eLubricate the new impeller and internal housing surfaces with a marine-safe lubricant.\u003c\/li\u003e\n    \u003cli\u003eReinstall the water pump housing, ensuring all gaskets and seals are seated properly. Torque bolts to manufacturer specifications.\u003c\/li\u003e\n    \u003cli\u003eReattach the lower unit to the engine, making sure the driveshaft, shift shaft, and water tube align correctly.\u003c\/li\u003e\n    \u003cli\u003eRefill the gearcase with the specified lubricant, reinstall the battery connection, and test the engine in the water, confirming a steady stream of water from the tell-tale port.\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 this kit fits my Yamaha outboard?\u003c\/summary\u003e\n    \u003cp\u003eThis kit is designed for a broad range of Yamaha engines. The best way to confirm fitment is to check your engine's model and year against the compatibility table provided on this page. You can also cross-reference your existing water pump part number with the numbers listed in our Part Number Matrix.\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 signs include a weak or non-existent water stream from the \"tell-tale\" outlet, engine overheating alarms, and in severe cases, steam from the exhaust. Reduced engine performance can also be an indicator.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eHow often should the water pump be serviced or replaced?\u003c\/summary\u003e\n    \u003cp\u003eYamaha recommends inspecting the water pump impeller as part of the 100-hour service. A full replacement is mandatory every 300 hours or 3 years, whichever comes first, to ensure cooling system reliability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eIs this a complete kit for a water pump service?\u003c\/summary\u003e\n    \u003cp\u003eYes, this kit includes all the necessary components for a standard water pump replacement: impeller, housing insert, outer plate, gaskets, o-rings, dowel pins, bolts, and woodruff key. No other parts should be required for a typical service.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n    \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\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n    \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\n\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\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723783409979,"sku":"23KY722","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_F75_to_F100_61A-W0078-A3_-_JLM_MARINE-8289409.jpg?v=1763031675","url":"https:\/\/seasierra.com\/products\/water-pump-repair-kit-fits-yamaha-outboard-f150-f200-f225-f250-replaces-61a-w0078-a3-00-61a-w0078-a4-00","provider":"SeaSierra","version":"1.0","type":"link"}