{"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":"\u003ch2\u003eWater Pump Repair Kit – Fits Yamaha 75-300HP (Replaces 61A-W0078-A3-00, 61A-W0078-A4-00)\u003c\/h2\u003e\n\u003cp\u003eThis water pump repair kit is designed for a wide range of Yamaha outboard motors, providing a reliable solution for maintaining your engine's cooling system. It is engineered to meet or exceed OEM specifications for fit, form, and function, ensuring proper performance and longevity.\u003c\/p\u003e\n\u003cp\u003eThis kit is a direct replacement for multiple Yamaha and aftermarket part numbers, compatible with various 2-stroke (150-250HP) and 4-stroke (75-300HP) models. Please consult the compatibility tables below to ensure this part is right for your specific engine.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Method:\u003c\/strong\u003e Direct OEM replacement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Includes impeller, gaskets, O-rings, plate, and hardware for a complete overhaul.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Fits a broad range of Yamaha V6, HPDI, Carb, and EFI models from 1992 to 2023.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003ctable\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-A2-00\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\u003e61A-W0078-A3-00\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\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003e\u003cstrong\u003e61A-W0078-A4-00\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e\u003c\/td\u003e\n            \u003ctd\u003eCurrent Part\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            \u003ctd\u003eAftermarket\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            \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ch3\u003eYamaha 4-Stroke Models\u003c\/h3\u003e\n    \u003ctable\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    \u003ch3\u003eYamaha 2-Stroke Models\u003c\/h3\u003e\n    \u003ctable\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\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eSpecification\u003c\/th\u003e\n            \u003cth\u003eValue\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eWater Pump Repair Kit\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eOEM-specification components\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Cartridge Insert (Replaces 61A-44322-02-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Gasket (Replaces 6E5-44315-A0-00)\u003c\/li\u003e\n    \u003cli\u003e1 x \u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eImpeller\u003c\/strong\u003e (Replaces 6E5-44352-01-00)\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e1 x Cartridge Outer Plate (Replaces 6G5-44323-01-00)\u003c\/li\u003e\n    \u003cli\u003e4 x Bolt with Washer (Replaces 90119-08191-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Woodruff Key (Replaces 90280-04M05-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (Replaces 93210-37M67-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (Replaces 93210-86M38-00)\u003c\/li\u003e\n    \u003cli\u003e2 x Dowel Pin (Replaces 93606-12019-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDisconnect Power:\u003c\/strong\u003e Disconnect the battery and shift the outboard into neutral.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccess Lower Unit:\u003c\/strong\u003e Remove the bolts securing the lower unit (gearcase) to the upper casing and carefully lower it.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Old Pump:\u003c\/strong\u003e Unbolt and remove the old water pump housing to expose the impeller and other components.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInspect and Clean:\u003c\/strong\u003e Clean the housing interior and driveshaft. Inspect for scoring, warping, or corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall New Components:\u003c\/strong\u003e Lightly grease the new O-rings and insert the new cartridge and key. Slide the new impeller onto the driveshaft, rotating it in the direction of engine operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReassemble Pump:\u003c\/strong\u003e Place the new gasket and outer plate, then secure the housing with the new bolts, tightening them to the manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReattach Lower Unit:\u003c\/strong\u003e Carefully raise the lower unit back into place, ensuring the driveshaft, shift shaft, and water tube align correctly. Secure with bolts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTest Operation:\u003c\/strong\u003e Reconnect the battery and start the engine in a water source to verify a steady stream of water from the tell-tale outlet.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nFirst, check the comprehensive \"Compatible Engine Models\" tables on this page. Second, cross-reference your existing part number with our \"Part Number Cross-Reference\" table to ensure it matches Yamaha, Sierra, or Mallory numbers we replace.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my water pump needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nCommon signs include the engine overheating at idle or low speeds, a weak or non-existent water stream from the \"tell-tale\" outlet, or a brittle or cracked impeller found during a routine inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nFor preventative maintenance, it is recommended to inspect and likely replace your impeller every 100 hours of use or at least once per boating season, especially for boats used in saltwater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between part number 61A-W0078-A3-00 and 61A-W0078-A4-00?\u003c\/strong\u003e\u003cbr\u003e\nThe part number 61A-W0078-A4-00 is the latest version that has superseded 61A-W0078-A3-00. Our kit is a compatible replacement for all of these versions, ensuring you receive the correct components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n    \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":50485705605433,"sku":"23KY723","price":100.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_Kit_for_Yamaha_F75_to_F100_61A-W0078-00_-_JLM_MARINE-8289416.jpg?v=1755252163","url":"https:\/\/jlmmarine.com\/products\/water-pump-repair-kit-fits-yamaha-75-250hp-replaces-61a-w0078-a3-00-61a-w0078-a4-00","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}