{"product_id":"3gr-87500-1-maintenance-kit-for-tohatsu-mfs4-mfs5-mfs6d-jlm-marine","title":"3GR-87500-1 Maintenance Kit for Tohatsu MFS4 MFS5 MFS6D | JLM Marine","description":"\u003ch2\u003e3GR-87500-1 Maintenance Kit for Tohatsu MFS4 MFS5 MFS6D | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed specifically for \u003cstrong\u003eTohatsu MFS4, MFS5, and MFS6D\u003c\/strong\u003e outboard engines. It includes all essential components needed for routine servicing, ensuring your engine continues to deliver reliable performance on the water.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e3GR-87500-1\u003c\/strong\u003e, providing a complete service solution in one convenient package. Designed to meet OEM specifications, this aftermarket maintenance kit offers quality and value for professional mechanics and DIY boat owners alike.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete maintenance solution with water pump repair kit, thermostat, filters, and gaskets\u003c\/li\u003e\n  \u003cli\u003eFits Tohatsu MFS4, MFS5, and MFS6D outboard models\u003c\/li\u003e\n  \u003cli\u003eAll critical service components included for comprehensive engine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eTohatsu\u003c\/td\u003e\n      \u003ctd\u003e3GR-87500-1\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\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS5\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS6D\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\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e3GR-87500-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eTohatsu MFS4\/5\/6D Outboard Engines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComplete Maintenance Service Kit\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThis maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3AB-87322-0 Water Pump Repair Kit\u003c\/strong\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3H6-01030-0 Thermostat\u003c\/strong\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e346-01032-0 Thermostat Gasket\u003c\/strong\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e369-02230-0 Fuel Filter\u003c\/strong\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e332-60006 Drain Gasket\u003c\/strong\u003e x2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149 Gear Oil Pump\u003c\/strong\u003e x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is off and cool. Gather all necessary tools including screwdrivers, wrenches, and a drain pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Gear Oil:\u003c\/strong\u003e Remove the lower unit drain plug using one of the included drain gaskets. Allow all gear oil to drain completely into a suitable container.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Locate the fuel filter in the fuel line. Disconnect the fuel line, remove the old filter, and install the new 369-02230-0 fuel filter with proper orientation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Water Pump Housing:\u003c\/strong\u003e Access the water pump by removing the lower unit. Carefully separate the pump housing to expose the impeller and components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Water Pump Repair Kit:\u003c\/strong\u003e Replace all water pump components using the 3AB-87322-0 repair kit, including impeller, gaskets, and seals. Lubricate the impeller with glycerin or soapy water before installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Thermostat:\u003c\/strong\u003e Remove the thermostat cover and old thermostat. Install the new 3H6-01030-0 thermostat with the 346-01032-0 gasket, ensuring proper orientation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble Lower Unit:\u003c\/strong\u003e Reinstall the water pump housing and lower unit, torquing all fasteners to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included 24OP149 gear oil pump, refill the lower unit with the appropriate gear oil until it flows from the upper vent hole. Install drain plugs with new 332-60006 gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect Fuel System:\u003c\/strong\u003e Ensure all fuel line connections are secure and leak-free. Check that the fuel filter is properly seated.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Run:\u003c\/strong\u003e Start the engine and check for proper water flow from the cooling system. Inspect all service points for leaks and verify normal operating temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this maintenance kit fits my Tohatsu engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed specifically for Tohatsu MFS4, MFS5, and MFS6D models. Verify your engine model number on the identification plate, and cross-reference the OEM part number 3GR-87500-1 with your service manual to ensure compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform this maintenance service?\u003c\/strong\u003e\u003cbr\u003e\nA: Tohatsu recommends annual maintenance or every 100 operating hours, whichever comes first. If you operate in saltwater, sandy conditions, or frequently run at high RPMs, consider more frequent service intervals.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this kit myself, or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: While experienced DIY mechanics can complete this service with proper tools and procedures, professional installation is recommended if you're unfamiliar with outboard maintenance. Incorrect installation of the water pump or thermostat can lead to engine overheating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are signs that my engine needs this maintenance service?\u003c\/strong\u003e\u003cbr\u003e\nA: Common indicators include weak water pump discharge, engine overheating, reduced cooling system flow, difficulty starting when warm, or if you've reached the recommended service interval. Don't wait for failure—preventive maintenance is key.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM kit or aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: 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\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\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\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":52418416771385,"sku":"25KT201","price":53.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KT201.png?v=1776686935","url":"https:\/\/jlmmarine.com\/es\/products\/3gr-87500-1-maintenance-kit-for-tohatsu-mfs4-mfs5-mfs6d-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}