{"product_id":"water-pump-repair-kit-fits-yamaha-115-130-hp-2-stroke-replaces-6e5-w0078-a1-00","title":"Water Pump Repair Kit – Fits Yamaha 115\/130 HP 2-Stroke (Replaces 6E5-W0078-A1-00)","description":"\u003ch2\u003eWater Pump Repair Kit – Fits Yamaha 115\/130 HP 2-Stroke (Replaces 6E5-W0078-A1-00)\u003c\/h2\u003e\n\u003cp\u003eThis water pump repair kit provides the necessary components to service the water pump on Yamaha 2-Stroke 115–130 HP outboards manufactured between 1984 and 1992, including C115 and 130 models.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Yamaha part number \u003cstrong\u003e6E5-W0078-A1-00\u003c\/strong\u003e and Sierra part number \u003cstrong\u003e18-3434\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes all essential gaskets, o-rings, and the impeller for a full replacement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect Fitment:\u003c\/strong\u003e Engineered as a direct replacement part, ensuring proper fit and function.\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Water pump housing is not included with this kit and must be purchased separately if needed.\u003c\/span\u003e\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        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003e6E5-W0078-A1-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSierra\u003c\/td\u003e\n            \u003ctd\u003e18-3434\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    \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\u003e115\u003c\/td\u003e\n                \u003ctd\u003e115\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e1984-1992\u003c\/td\u003e\n                \u003ctd\u003e6E5-W0078-A1-00\u003c\/td\u003e\n                \u003ctd\u003eStandard models\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003eC115\u003c\/td\u003e\n                \u003ctd\u003e115\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e1991-1992\u003c\/td\u003e\n                \u003ctd\u003e6E5-W0078-A1-00\u003c\/td\u003e\n                \u003ctd\u003eCommercial models\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e130\u003c\/td\u003e\n                \u003ctd\u003e130\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e1988-1992\u003c\/td\u003e\n                \u003ctd\u003e6E5-W0078-A1-00\u003c\/td\u003e\n                \u003ctd\u003eStandard models\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\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eNot Included (Housing Sold Separately)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eMarine Environment\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eVaries by Manufacturer\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\u003eIncludes all necessary components for complete water pump impeller replacement\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 Water Pump Gasket (6E5-44315-A0-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Cartridge Insert (6E5-44322-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Cartridge Outer Plate (6E5-44323-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E5-44352-01-00)\u003c\/li\u003e\n    \u003cli\u003e4 x Washers (90209-08M02-00)\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 Pins (93606-12019-00)\u003c\/li\u003e\n    \u003cli\u003e4 x Bolts (97080-08045-00)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Housing (6E5-44311-00-00) is NOT included and must be purchased separately.\u003c\/span\u003e\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\u003eSafety First:\u003c\/strong\u003e Disconnect the engine's battery before starting work.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccess the Pump:\u003c\/strong\u003e Remove the lower unit (gearcase) from the outboard's midsection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDisassemble:\u003c\/strong\u003e Carefully unbolt and remove the old water pump housing. Note the orientation of the old impeller vanes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Old Parts:\u003c\/strong\u003e Take out the old impeller, gaskets, wear plate, and key.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClean Surfaces:\u003c\/strong\u003e Thoroughly clean all mating surfaces, removing any old gasket material or corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall New Components:\u003c\/strong\u003e Place the new gasket, outer plate, and cartridge insert into position.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall Impeller:\u003c\/strong\u003e Slide the Woodruff key onto the driveshaft and then install the new impeller, turning the shaft clockwise to bed the vanes correctly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLubricate:\u003c\/strong\u003e Apply a light coat of marine grease to the inside of the new housing and impeller.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReassemble:\u003c\/strong\u003e Reinstall the water pump housing and tighten the bolts to the manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReattach Lower Unit:\u003c\/strong\u003e Reinstall the lower unit onto the outboard.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTest:\u003c\/strong\u003e Reconnect the battery. Start the engine using a water supply (flushing muffs or in water) and confirm 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\u003eQ: How do I confirm this fits my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This kit is specifically for Yamaha 115-130 HP 2-Stroke outboards from 1984-1992. Please review the \"Compatible Engine Models\" table to verify your specific model and year. We also recommend using the \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 to identify your engine with certainty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include the water pump housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the water pump housing (part # 6E5-44311-00-00) is \u003cstrong\u003enot included\u003c\/strong\u003e in this kit. It must be purchased separately if your existing housing is cracked, warped, or excessively worn.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs my water pump impeller is failing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The most common sign is a weak, inconsistent, or non-existent water stream from the \"tell-tale\" cooling outlet. Other indicators include engine overheating alarms, steam from the exhaust, or finding broken vanes on the old impeller during inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the water pump kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: For preventative maintenance, we recommend replacing the water pump impeller and gaskets every 1 to 2 years, or every 100-200 hours of use. This interval can be shorter if you frequently operate in sandy, silty, or saltwater conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This 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\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We 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\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This 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":50476274254137,"sku":"23KY093","price":61.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_Kit_for_Yamaha_115HP-130HP_6E5-44311_-_JLM_MARINE-8289095.jpg?v=1754991477","url":"https:\/\/jlmmarine.com\/products\/water-pump-repair-kit-fits-yamaha-115-130-hp-2-stroke-replaces-6e5-w0078-a1-00","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}