{"product_id":"water-pump-repair-kit-fits-yamaha-75-250hp-replaces-61a-w0078-a3-00-61a-w0078-a4-00","title":"Water Pump Repair Kit – Fits Yamaha 75-250HP (Replaces 61A-W0078-A3-00, 61A-W0078-A4-00)","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 complete Water Pump Repair Kit – Fits Yamaha 75-250HP provides all necessary components to restore your outboard's cooling system. It is engineered for a wide range of Yamaha outboards, including 2-stroke models from 150HP to 250HP (1992–2014) and 4-stroke engines from 75HP to 300HP (1997–2023), covering various V6, Carb, EFI, and HPDI configurations.\u003c\/p\u003e\n  \u003cp\u003eThis kit serves as a direct aftermarket replacement for Yamaha OEM part numbers 61A-W0078-A2-00, 61A-W0078-A3-00, and 61A-W0078-A4-00, as well as Sierra 18-3396-1 and Mallory 9-48618.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for direct OEM-level replacement.\u003c\/li\u003e\n    \u003cli\u003eIncludes all essential gaskets, O-rings, and hardware for a full service.\u003c\/li\u003e\n    \u003cli\u003eComponents are built from OEM-specification materials for reliability.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A2-00\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A4-00\u003c\/td\u003e\n        \u003c\/tr\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        \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        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3396-1\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMallory\u003c\/td\u003e\n          \u003ctd\u003e9-48618\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\u003c\/section\u003e\n\u003csection\u003e\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 is compatible with the following Yamaha 4-Stroke and 2-Stroke outboard models.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Yamaha 4-Stroke 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\u003eF75BET, TR, TLR\u003c\/td\u003e\n          \u003ctd\u003e75\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF80A, AET, TLR, TJR\u003c\/td\u003e\n          \u003ctd\u003e80\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1999–2003\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF80B, BET\u003c\/td\u003e\n          \u003ctd\u003e80\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2005–2015\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF90\u003c\/td\u003e\n          \u003ctd\u003e90\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2003–2011\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF100A, AET, TLR, TRZ\u003c\/td\u003e\n          \u003ctd\u003e100\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1999–2006\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF100DET\u003c\/td\u003e\n          \u003ctd\u003e100\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2005–2015\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF150\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2002–2023\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eAll models including F150C\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF175LA, F175XA\u003c\/td\u003e\n          \u003ctd\u003e175\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2014–2016\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF200\u003c\/td\u003e\n          \u003ctd\u003e200\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2002–2016\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eMultiple variants including F200LB, F200XA, F200XB, F200XCA\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\u003e2002–2016\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eMultiple variants including F225TUR, F225TXR, F225XA\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF250TUR\/TXR\u003c\/td\u003e\n          \u003ctd\u003e250\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eVF175LA\u003c\/td\u003e\n          \u003ctd\u003e175\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2015–2016\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eVMAX SHO\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Yamaha 2-Stroke 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\u003e150\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1992–2014\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e175TLRY, 175TXRY\u003c\/td\u003e\n          \u003ctd\u003e175\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2000\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e200TLRV\/W\u003c\/td\u003e\n          \u003ctd\u003e200\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1997–1998\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e225\u003c\/td\u003e\n          \u003ctd\u003e225\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1997\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\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\u003e1992–2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\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\u003c\/td\u003e\n          \u003ctd\u003eCommercial\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eP150\/P175\/P200\u003c\/td\u003e\n          \u003ctd\u003e150-200\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1991–1996\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\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\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\/S175\/S200\/S250\u003c\/td\u003e\n          \u003ctd\u003e150-250\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1997–1999\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eSaltwater Series\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eSX150\/SX200\/SX225\/SX250\u003c\/td\u003e\n          \u003ctd\u003e150-250\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1999–2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\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\/V250\u003c\/td\u003e\n          \u003ctd\u003e150-250\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1992–2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eVX150\/VX200\/VX225\/VX250\u003c\/td\u003e\n          \u003ctd\u003e150-250\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2000–2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eHPDI\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eVZ150\/VZ175\/VZ200\u003c\/td\u003e\n          \u003ctd\u003e150-200\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2001–2012\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\u003c\/td\u003e\n          \u003ctd\u003eVZ200 (2.6L)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eZ150\/Z175\/Z200\/Z250\/Z300\u003c\/td\u003e\n          \u003ctd\u003e150-300\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2000–2005\u003c\/td\u003e\n          \u003ctd\u003e61A-W0078-A3-00\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\u003c\/section\u003e\n\u003csection\u003e\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\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n    \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eOEM-specification components\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Cartridge Insert (61A-44322-02-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Gasket (6E5-44315-A0-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E5-44352-01-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Cartridge Outer Plate (6G5-44323-01-00)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolt with Washer (90119-08191-00)\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x Woodruff Key (90280-04M05-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-37M67-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-86M38-00)\u003c\/li\u003e\n    \u003cli\u003e2 x Dowel Pin (93606-12019-00)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and remove the engine cover.\u003c\/li\u003e\n    \u003cli\u003eDrain the lower unit gearcase oil completely.\u003c\/li\u003e\n    \u003cli\u003eRemove the mounting bolts securing the lower unit (gearcase) to the midsection and carefully lower it.\u003c\/li\u003e\n    \u003cli\u003eUnbolt and lift the water pump housing to expose the old impeller and wear plate.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller, Woodruff key, gaskets, and plates, cleaning all mating surfaces thoroughly.\u003c\/li\u003e\n    \u003cli\u003eInstall the new gasket and wear plate, followed by the new Woodruff key and impeller. Rotate the driveshaft clockwise while pushing down to seat the impeller vanes correctly.\u003c\/li\u003e\n    \u003cli\u003eInstall new O-rings and gaskets before re-installing the housing. Torque the bolts to the manufacturer's specification.\u003c\/li\u003e\n    \u003cli\u003eRe-attach the lower unit, ensuring the driveshaft, shift shaft, and water tube are properly aligned.\u003c\/li\u003e\n    \u003cli\u003eRefill the gearcase with the specified marine gear lubricant.\u003c\/li\u003e\n    \u003cli\u003eOnce assembled, test the engine using a water supply (flushing muffs or in water), and verify a strong, consistent stream from the tell-tale outlet.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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\u003eCheck the compatibility tables for your engine model, HP, and year. This kit is designed for a wide range of Yamaha 2-stroke (150-250HP) and 4-stroke (75-300HP) models. Verifying your part number (61A-W0078-A3 or its successors) is the best way to confirm.\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 intermittent water stream from the \"tell-tale\" outlet, engine overheating alarms, steam from the exhaust, and a visibly worn, brittle, or cracked impeller upon inspection.\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\u003eAs a general best practice, inspect the impeller annually and replace the entire water pump kit every 2-3 years or 200-300 hours of operation. Service intervals should be shorter in saltwater or silty\/sandy conditions.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eMy original part number is 61A-W0078-A3-00. Will this kit work?\u003c\/summary\u003e\n    \u003cp\u003eYes. Part number 61A-W0078-A4-00 is the official superseded replacement for 61A-W0078-A3-00 and 61A-W0078-A2-00. This kit is a direct cross-reference and will fit correctly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs there a difference between impeller numbers 6E5-44352-01 and 6E5-44352-01-00?\u003c\/summary\u003e\n    \u003cp\u003eNo, there is no functional difference. The trailing \"-00\" typically signifies an original production batch, while subsequent numbers like \"-01\" indicate minor revisions that do not affect the part's fit or performance. Both are interchangeable.\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). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for consistency and quality.\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 is 5–15 days. Standard shipping is free; expedited options will 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\u003eThis product is covered 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 for unused items in original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images and specifications against your original part before purchase. If anything differs—even if your model appears compatible—do not install the part.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement part, not an original equipment manufacturer (OEM) component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is highly recommended for safety, performance, and to prevent damage to your engine.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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 rigorously tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — We offer free standard delivery to most regions, with typical transit times of 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — By working directly with manufacturers, we provide fair pricing without compromising on materials or quality control.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723783377211,"sku":"23KY723","price":100.5,"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-W0078-00_-_JLM_MARINE-8289416.jpg?v=1763031674","url":"https:\/\/seasierra.com\/products\/water-pump-repair-kit-fits-yamaha-75-250hp-replaces-61a-w0078-a3-00-61a-w0078-a4-00","provider":"SeaSierra","version":"1.0","type":"link"}