{"product_id":"3rs-87500-0-maintenance-kit-for-tohatsu-mfs9-9-mfs15-mfs20e-jlm-marine","title":"3RS-87500-0 Maintenance Kit for Tohatsu MFS9.9 MFS15 MFS20E | JLM Marine","description":"\u003ch2\u003e3RS-87500-0 Maintenance Kit for Tohatsu MFS9.9 MFS15 MFS20E\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed to fit \u003cstrong\u003eTohatsu MFS9.9, MFS15, and MFS20E outboard engines\u003c\/strong\u003e. It provides all essential service components needed for routine maintenance, ensuring your engine runs smoothly and reliably season after season.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e3RS-87500-0\u003c\/strong\u003e, delivering an all-in-one solution for your scheduled service intervals.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes water pump repair kit, thermostat, fuel filter, oil filter, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eComplete maintenance solution in one convenient package\u003c\/li\u003e\n  \u003cli\u003eDesigned for easy installation during routine service\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\u003e3RS-87500-0\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\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\u003eMFS9.9\/15\/20E\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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 Number\u003c\/td\u003e\n      \u003ctd\u003e3RS-87500-0\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBrand Compatibility\u003c\/td\u003e\n      \u003ctd\u003eTohatsu\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine Models\u003c\/td\u003e\n      \u003ctd\u003eMFS9.9, MFS15, MFS20E\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\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e3RS-87322-1 (Water Pump Repair Kit) × 1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e3R3-01030-0 (Thermostat) × 1\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e346-01032-0 (Thermostat Gasket) × 1\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e369-02230-0 (Fuel Filter) × 1\u003c\/strong\u003e \u003ca href=\"https:\/\/jlmmarine.com\/products\/inline-fuel-filter-for-yamaha-f4-f6-f8-f9-9-f15-68t-24251-00-18-7710-1\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e332-60006 (Drain Gasket) × 2\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3BJ-07615-0 (Oil Filter) × 1\u003c\/strong\u003e \u003ca href=\"https:\/\/jlmmarine.com\/products\/oil-filter-for-mercury-and-honda-8-9-9-13-5-15-25-30-hp-18-7913\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e24OP149 (Gear Oil Pump) × 1\u003c\/strong\u003e\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 necessary tools including wrenches, screwdrivers, and a drain pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain fluids:\u003c\/strong\u003e Remove the drain plug using the new drain gasket from the kit. Drain engine oil and lower unit gear oil completely into appropriate containers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace oil filter:\u003c\/strong\u003e Unscrew the old oil filter (3BJ-07615-0) and install the new one from the kit. Hand-tighten, then turn an additional 3\/4 turn.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall fuel filter:\u003c\/strong\u003e Disconnect fuel lines and replace the old fuel filter with the new 369-02230-0 unit. Ensure connections are secure to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace thermostat:\u003c\/strong\u003e Remove the thermostat housing cover and replace the old thermostat (3R3-01030-0) and gasket (346-01032-0) with new components from the kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService water pump:\u003c\/strong\u003e Remove the lower unit and access the water pump. Replace all components using the water pump repair kit (3RS-87322-1) including impeller, gaskets, and seals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill gear oil:\u003c\/strong\u003e Use the included gear oil pump (24OP149) to refill the lower unit with fresh gear oil. Fill until oil appears at the upper vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill engine oil:\u003c\/strong\u003e Add the manufacturer-recommended engine oil to the proper level. Check dipstick to confirm correct fill level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble:\u003c\/strong\u003e Reinstall all components in reverse order. Torque all fasteners to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest run:\u003c\/strong\u003e Start the engine and check for leaks around all service points. Monitor engine temperature and ensure proper water flow from the cooling system.\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 confirm this maintenance kit fits my Tohatsu engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed specifically for Tohatsu MFS9.9, MFS15, and MFS20E models. Verify your engine model designation on the cowling or serial number plate to ensure compatibility before ordering.\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 complete maintenance service every 100 hours of operation or annually, whichever comes first. If you operate in saltwater or harsh conditions, consider servicing more frequently.\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 perform this service, it requires disassembly of the lower unit and internal components. Professional installation is recommended if you're not comfortable with marine engine maintenance.\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 overheating, weak water pump stream, rough idling, poor acceleration, or difficulty starting. Regular preventive maintenance with this kit helps avoid these issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include engine oil and gear oil?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this kit includes the gear oil pump for filling but not the fluids themselves. You'll need to purchase the appropriate engine oil and lower unit gear oil separately according to Tohatsu specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket maintenance kit?\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\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: 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\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: 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\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":52418433253689,"sku":"25KT357","price":58.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KT357.png?v=1776686944","url":"https:\/\/jlmmarine.com\/products\/3rs-87500-0-maintenance-kit-for-tohatsu-mfs9-9-mfs15-mfs20e-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}