{"product_id":"water-pump-repair-kit-fits-yamaha-outboards-f20a-f25a-f25d-replaces-61n-w0078-11-00","title":"Water Pump Repair Kit – Fits Yamaha Outboards F20A F25A F25D (Replaces 61N-W0078-11-00)","description":"\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Repair Kit – Fits Yamaha F20A F25A F25D Outboards (Replaces 61N-W0078-11-00)\u003c\/strong\u003e provides all the essential components to restore your engine’s cooling system. It is designed for Yamaha 4-stroke outboard models, including the F20A (1998–2009), F25A (1998–2009), F25D (2009+), and C30 (1993–1997).\u003c\/p\u003e\n\u003cp\u003eThe kit serves as a direct interchange for Yamaha OEM part numbers 61N-W0078-10-00, 61N-W0078-11-00, 61N-W0078-13-00, and 61N-W0078-14-00, as well as the SOXAMarine equivalent 61NW0078.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for direct-fit installation, matching OEM specifications.\u003c\/li\u003e\n\u003cli\u003eFeatures a durable neoprene impeller for reliable performance in marine environments.\u003c\/li\u003e\n\u003cli\u003eComprehensive kit may include a fuel filter, oil filter, and thermostat for a complete service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\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\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\u003e61N-W0078-10-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-11-00\u003c\/td\u003e\n        \u003ctd\u003ePrimary superseded part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-13-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-14-00\u003c\/td\u003e\n        \u003ctd\u003eLatest OEM part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSOXAMarine\u003c\/td\u003e\n        \u003ctd\u003e61NW0078\u003c\/td\u003e\n        \u003ctd\u003eAftermarket cross-reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\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\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\u003eF20A\u003c\/td\u003e\n        \u003ctd\u003e20\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1998–2009\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-11-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 61N-W0078-14-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF25A\u003c\/td\u003e\n        \u003ctd\u003e25\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1998–2009\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-11-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 61N-W0078-14-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF25D\u003c\/td\u003e\n        \u003ctd\u003e25\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2009+\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-11-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 61N-W0078-14-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC30\u003c\/td\u003e\n        \u003ctd\u003e30\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1993–1997\u003c\/td\u003e\n        \u003ctd\u003e61N-W0078-11-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 61N-W0078-14-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\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\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eNeoprene (Impeller)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.73 kg (1.6 lb)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eDirect Fit\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003e4-Stroke Specific Design\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Cartridge Insert (63V-44322-00-00)\u003c\/li\u003e\n\u003cli\u003e1 x Water Seal Damper (6L2-44367-00-00)\u003c\/li\u003e\n\u003cli\u003e1 x Impeller (63V-44352-01-00)\u003c\/li\u003e\n\u003cli\u003e1 x Woodruff Key (664-44338-00-00)\u003c\/li\u003e\n\u003cli\u003e1 x O-Ring (93210-49046-00)\u003c\/li\u003e\n\u003cli\u003e1 x Cartridge Outer Plate (68T-44323-00-00)\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e2 x Dowel Pins (93604-10M03-00)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolts (97095-08045-00)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e2 x Plates (63V-44328-01-00)\u003c\/li\u003e\n\u003cli\u003e1 x Fuel Filter (61N-24560-10)\u003c\/li\u003e\n\u003cli\u003e1 x Oil Filter (5GH-13440-00)\u003c\/li\u003e\n\u003cli\u003e1 x Thermostat (66M-12411-01)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and ensure the engine is cool before starting.\u003c\/li\u003e\n\u003cli\u003ePosition the outboard in the tilted position and remove the propeller.\u003c\/li\u003e\n\u003cli\u003eLocate and unbolt the lower unit (gearcase) from the upper engine casing. Carefully separate the two halves.\u003c\/li\u003e\n\u003cli\u003eRemove the water pump housing cover to access the old impeller, plates, and seals.\u003c\/li\u003e\n\u003cli\u003eClean all mating surfaces thoroughly, removing any old gasket material or debris.\u003c\/li\u003e\n\u003cli\u003eInstall the new components from the kit in the reverse order of disassembly, ensuring the impeller vanes are oriented correctly.\u003c\/li\u003e\n\u003cli\u003eApply a light coat of marine grease to the new impeller and inside the housing.\u003c\/li\u003e\n\u003cli\u003eReassemble the water pump housing and torque bolts to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eReattach the lower unit, ensuring the driveshaft, shift shaft, and water tube are correctly aligned.\u003c\/li\u003e\n\u003cli\u003eOnce assembled, reconnect the battery, start the engine in water, and verify a steady stream of water from the tell-tale outlet.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow can I tell if my water pump is failing?\u003c\/summary\u003e\u003cp\u003eCommon signs of a failing water pump include the engine overheating at idle or low speeds, a weak or non-existent water stream from the tell-tale (pee hole) outlet, and a dry, cracked, or deformed impeller upon inspection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this kit compatible with my specific F25A model?\u003c\/summary\u003e\u003cp\u003eThis repair kit is designed for Yamaha F25A models manufactured between 1998 and 2009. To ensure a perfect match, always compare the part numbers listed here with those specified in your engine's service manual.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the recommended replacement interval for the impeller?\u003c\/summary\u003e\u003cp\u003eFor optimal reliability, we recommend inspecting the impeller annually and replacing it every 1-2 years or 100-200 hours of use. Intervals should be shorter if operating primarily in saltwater or silty\/sandy conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this aftermarket kit perform as well as the OEM version?\u003c\/summary\u003e\u003cp\u003eAbsolutely. This kit is built to meet or exceed OEM specifications, using high-quality materials like a tough neoprene impeller to ensure reliable cooling performance and longevity under marine conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy does this kit include filters and a thermostat when some OEM kits don't?\u003c\/summary\u003e\u003cp\u003eAftermarket kits often bundle additional maintenance components for convenience and value. While the a core water pump repair, the inclusion of items like the fuel filter, oil filter, and thermostat allows you to perform a more comprehensive service at the same time.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\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\u003c\/section\u003e\n\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 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\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723793535291,"sku":"MRKY23KY708","price":62.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/MRKY23KY708.png?v=1763031927","url":"https:\/\/seasierra.com\/products\/water-pump-repair-kit-fits-yamaha-outboards-f20a-f25a-f25d-replaces-61n-w0078-11-00","provider":"SeaSierra","version":"1.0","type":"link"}