{"title":"Tohatsu 100-Hour Maintenance Kits","description":"","products":[{"product_id":"3sa-87500-0-service-kit-for-tohatsu-mfs9-9-mfs15-mfs20d-jlm-marine","title":"3SA-87500-0 Service Kit for Tohatsu MFS9.9 MFS15 MFS20D | JLM Marine","description":"\u003ch2\u003eService Kit for Tohatsu MFS9.9 MFS15 MFS20D – OEM 3SA-87500-0\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive service kit is designed for \u003cstrong\u003eTohatsu MFS9.9, MFS15, and MFS20D\u003c\/strong\u003e outboard engines, providing all essential maintenance components in one convenient package. It ensures your engine receives complete routine service with properly matched filters, gaskets, and gear oil pump for optimal performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket kit directly replaces \u003cstrong\u003eOEM part number 3SA-87500-0\u003c\/strong\u003e, delivering the same specifications and fitment as the original Tohatsu service kit. Each component is manufactured to meet OEM standards, ensuring reliable protection and proper maintenance intervals for your mid-range four-stroke outboard.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes oil filter, fuel filter, drain gaskets, and gear oil pump for complete service\u003c\/li\u003e\n\u003cli\u003eFits multiple Tohatsu MFS models from 9.9HP to 20HP\u003c\/li\u003e\n\u003cli\u003eAll components meet OEM specifications for proper fit and function\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 the OEM part number for this service kit:\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003e3SA-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\"\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS20D\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\"\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\u003e3SA-87500-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eService Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brand\u003c\/td\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eMFS9.9, MFS15, MFS20D\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 service kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eOil Filter (3BJ-07615-0)\u003c\/strong\u003e\u003c\/span\u003e – Quantity: 1 \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\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eFuel Filter (369-02230-0)\u003c\/strong\u003e\u003c\/span\u003e – Quantity: 1 \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\n\u003cstrong\u003eOil Plug Drain Gasket (3R3-07406-0)\u003c\/strong\u003e – Quantity: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Unit Drain Gasket (332-60006-0)\u003c\/strong\u003e – Quantity: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Oil Pump (24OP149)\u003c\/strong\u003e – Quantity: 1\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 Gather necessary tools including socket wrenches, oil drain pan, and shop towels. Ensure the engine is cool and positioned upright on a stable stand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Filter Replacement:\u003c\/strong\u003e Locate the oil filter on the engine block and unscrew the old filter using an oil filter wrench. Apply a thin layer of clean oil to the new filter's gasket and install hand-tight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Oil Drain:\u003c\/strong\u003e Remove the oil drain plug using the appropriate socket, allowing old oil to drain completely into a pan. Replace the old drain gasket (3R3-07406-0) with the new one provided in the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Disconnect fuel lines from the old fuel filter, noting the flow direction arrow. Install the new fuel filter (369-02230-0) with the arrow pointing toward the engine and reconnect fuel lines securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Position the outboard vertically and remove both the drain and vent plugs from the lower unit. Allow old gear oil to drain completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Oil Refill:\u003c\/strong\u003e Using the provided gear oil pump (24OP149), insert the nozzle into the lower drain hole and pump fresh gear oil until it flows from the upper vent hole. Replace both drain gaskets (332-60006-0) on the drain and vent plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall Plugs:\u003c\/strong\u003e Quickly install the vent plug first (while oil is still flowing), then install the drain plug. Tighten both plugs to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Oil Refill:\u003c\/strong\u003e Add the recommended type and quantity of fresh engine oil through the oil fill cap. Check the oil level using the dipstick and adjust as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Check:\u003c\/strong\u003e Reconnect all fuel lines and ensure all drain plugs and filters are properly tightened. Inspect for any leaks around the oil filter, drain plugs, and fuel filter connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Run:\u003c\/strong\u003e Start the engine and allow it to idle for several minutes. Monitor for oil pressure, check for fuel or oil leaks, and verify smooth operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e After the test run, recheck oil level and top off if necessary. Inspect all service points once more for any seepage or loose connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Record the service date, engine hours, and components replaced in your maintenance log for future reference.\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 service kit fits my specific Tohatsu engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify that your engine model is MFS9.9, MFS15, or MFS20D by checking the model plate on your outboard. Cross-reference the OEM part number 3SA-87500-0 in your engine's service manual or parts diagram to ensure compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform this service on my Tohatsu outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Tohatsu recommends performing oil and filter changes every 100 hours of operation or annually, whichever comes first. Lower unit gear oil should be changed at the same interval or more frequently if operating in saltwater or harsh conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit if some components were recently replaced individually?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can save unused components from this kit for future service intervals. Each part has its own part number and can be used independently when needed for targeted maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What type of gear oil should I use with the included pump?\u003c\/strong\u003e\u003cbr\u003e\nA: Use Tohatsu-specified lower unit gear oil or a high-quality marine gear lube rated SAE 90 (API GL-5). The pump included works with standard viscosity lower unit oils for proper filling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are signs that my engine needs this service kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Common indicators include reduced engine performance, difficulty starting, visible oil or fuel leaks, dark or contaminated oil, or milky gear oil (indicating water intrusion). Regular preventive maintenance is always preferred over waiting for symptoms.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM service 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\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":52418408448313,"sku":"25KT358","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM358.png?v=1776686925"},{"product_id":"3ss-87500-0-maintenance-kit-for-tohatsu-mfs75-mfs90-mfs115-mfs140a-mfs9-9-mfs15-mfs20e-jlm-marine","title":"3SS-87500-0 Maintenance Kit for Tohatsu MFS75 MFS90 MFS115 MFS140A MFS9.9 MFS15 MFS20E | JLM Marine","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\n\n\n\u003ch2\u003e3SS-87500-0 Maintenance Kit for Tohatsu MFS75 MFS90 MFS115 MFS140A MFS9.9 MFS15 MFS20E\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed to fit \u003cstrong\u003eTohatsu MFS75, MFS90, MFS115, MFS140A, MFS9.9, MFS15, and MFS20E\u003c\/strong\u003e outboard engines. It provides all the essential components needed for routine servicing, ensuring your engine runs smoothly and reliably.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e OEM part number \u003cstrong\u003e3SS-87500-0\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete maintenance solution with oil filter, fuel filter, drain gaskets, and gear oil pump\u003c\/li\u003e\n\u003cli\u003eCovers multiple Tohatsu four-stroke models from 9.9 HP to 140 HP\u003c\/li\u003e\n\u003cli\u003eAll critical service components in one convenient package\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\"\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\u003e3SS-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\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eMFS75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS140A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS9.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS20E\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\"\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\u003e3SS-87500-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRoutine Maintenance Service Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brand\u003c\/td\u003e\n\u003ctd\u003eTohatsu\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\u003eOil Filter\u003c\/strong\u003e – Part No. 3R0-07615-0M x 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Filter\u003c\/strong\u003e – Part No. 3RS-02230-0 x 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Plug Drain Gasket\u003c\/strong\u003e – Part No. 3R3-07406-0 x 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Unit Drain Gasket\u003c\/strong\u003e – Part No. 332-60006-0 x 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Oil Pump\u003c\/strong\u003e x 1\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, oil drain pan, and a clean workspace.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Engine Oil:\u003c\/strong\u003e Locate the engine oil drain plug and place a drain pan underneath. Remove the plug using the new oil plug drain gasket from the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Oil Filter:\u003c\/strong\u003e Remove the old oil filter using an appropriate filter wrench. Install the new oil filter, hand-tightening it according to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Locate the fuel filter on your engine. Disconnect fuel lines carefully and replace the old filter with the new fuel filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Lower Unit:\u003c\/strong\u003e Position the outboard vertically and place a drain pan beneath the lower unit. Remove both the drain and vent plugs to allow old gear oil to drain completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill Lower Unit:\u003c\/strong\u003e Using the included gear oil pump, pump new gear oil into the lower drain hole until it flows from the top vent hole. Install new lower unit drain gaskets on both plugs before reinstalling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill Engine Oil:\u003c\/strong\u003e Add the manufacturer-recommended quantity and grade of engine oil through the oil fill cap. Check the dipstick to confirm proper level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall Drain Plug:\u003c\/strong\u003e Install the engine oil drain plug with the new oil plug drain gasket and torque to specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrime Fuel System:\u003c\/strong\u003e After replacing the fuel filter, prime the fuel system by squeezing the primer bulb until firm to remove any air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for Leaks:\u003c\/strong\u003e Start the engine and let it run for a few minutes. Inspect all filter connections, drain plugs, and lower unit plugs for any signs of leakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Recheck oil levels after running the engine and top off if necessary. Ensure all components are properly secured.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispose Properly:\u003c\/strong\u003e Dispose of old oil, filters, and gaskets according to local environmental regulations.\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 specific Tohatsu engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Check the Compatible Engine Models table above for your exact model number. Cross-reference your engine's model plate or owner's manual to verify compatibility before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I use this maintenance kit to service my engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Tohatsu typically recommends routine maintenance every 100 operating hours or annually, whichever comes first. Consult your engine's service manual for the exact maintenance schedule.\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: If you have basic mechanical skills and the proper tools, you can install this kit following the installation guide provided. However, professional installation is recommended to ensure all components are correctly fitted.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include engine oil and lower unit gear oil?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this kit includes the filters, gaskets, and oil pump needed for maintenance, but does not include the actual engine oil or gear oil. You will need to purchase the appropriate oils separately.\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 before purchasing.\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\n\u003c\/body\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":52418408513849,"sku":"25KT360","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM360_ca54fb12-44d6-4656-8e6c-df0441663492.png?v=1776686928"},{"product_id":"3nv-87500-0-maintenance-kit-for-tohatsu-mfs25c-mfs30c-mfs25d-mfs30d-mfs40a-mfs50a-jlm-marine","title":"3NV-87500-0 Maintenance Kit for Tohatsu MFS25C MFS30C MFS25D MFS30D MFS40A MFS50A | JLM Marine","description":"\u003ch2\u003e3NV-87500-0 Maintenance Kit for Tohatsu MFS25C MFS30C MFS25D MFS30D MFS40A MFS50A | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is engineered to fit \u003cstrong\u003eTohatsu MFS25\/30C, MFS25\/30D, and MFS40\/50A\u003c\/strong\u003e outboard engines, delivering essential service components in one convenient package. Whether you're performing routine maintenance or a full service interval, this kit ensures your engine runs smoothly and reliably.\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a direct replacement for OEM part number \u003cstrong\u003e3NV-87500-0\u003c\/strong\u003e, this aftermarket kit includes all critical filters, gaskets, and tools needed for a complete maintenance cycle. It simplifies your service routine by bundling everything in one box, saving you time and effort.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes oil filter, fuel filter, drain gaskets, and gear oil pump for complete service coverage\u003c\/li\u003e\n  \u003cli\u003eFits multiple Tohatsu MFS-series 4-stroke outboards from 25 HP to 50 HP\u003c\/li\u003e\n  \u003cli\u003eAll components meet or exceed OEM specifications for reliable performance\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 the OEM part number for this maintenance kit:\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\u003e3NV-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\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        \u003cth\u003eNotes\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\u003eMFS25C\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS30C\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS25D\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS30D\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS40A\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS50A\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\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\u003e3NV-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 Type\u003c\/td\u003e\n      \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eMaintenance 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 for a complete service:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Filter\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003e3BJ-07615-0 \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\u003c\/span\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Filter\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003e3AD-02230-0 \u003ca href=\"https:\/\/jlmmarine.com\/products\/mercury-inline-fuel-filter-fits-mercury-mariner-9-9-50hp-outboards-replaces-35-8m0088825-853733a2-853733t02-853733t03-898101t68\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\u003c\/span\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Plug Drain Gasket\u003c\/strong\u003e – 3R3-07406-0 × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Drain Gasket\u003c\/strong\u003e – 332-60006-0 × 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGear Oil Pump\u003c\/strong\u003e – 24OP149 × 1\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 cooled down. Gather all kit components and verify against the package contents list.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Change:\u003c\/strong\u003e Remove the oil drain plug using the correct wrench and drain the engine oil completely into a suitable container.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Oil Drain Gasket:\u003c\/strong\u003e Install the new oil plug drain gasket (3R3-07406-0) onto the drain plug. Reinstall the plug and tighten to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Oil Filter:\u003c\/strong\u003e Remove the old oil filter (3BJ-07615-0) using an oil filter wrench. Lightly oil the gasket on the new filter before threading it on hand-tight, then snug an additional 3\/4 turn.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Engine Oil:\u003c\/strong\u003e Add the recommended quantity and grade of engine oil through the filler cap. Check the dipstick to confirm proper level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Locate the inline fuel filter (3AD-02230-0), clamp the fuel lines, and remove the old filter. Install the new filter with the arrow pointing toward the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Position the outboard vertically. Remove both the drain and vent plugs from the lower unit and allow old gear oil to drain completely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Lower Unit Gaskets:\u003c\/strong\u003e Place new lower unit drain gaskets (332-60006-0) on both the drain and vent screws.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included gear oil pump (24OP149), pump new gear oil into the drain hole until oil reaches the vent hole. Install the vent screw first, then the drain screw.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect for Leaks:\u003c\/strong\u003e Start the engine and let it idle for a few minutes. Check all filter and plug locations for leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Re-check oil levels after running the engine. Top off if necessary and dispose of old fluids properly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecord Service:\u003c\/strong\u003e Note the date and engine hours in your maintenance log for future reference.\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: Check the compatibility table above for your specific model (MFS25C, MFS30C, MFS25D, MFS30D, MFS40A, or MFS50A). You can also cross-reference the OEM part number 3NV-87500-0 in your engine's service manual or parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance using this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Tohatsu recommends replacing the oil filter and engine oil every 100 hours or annually, whichever comes first. The fuel filter and lower unit oil should be serviced at similar intervals or per your engine's maintenance schedule.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket kit and the OEM kit?\u003c\/strong\u003e\u003cbr\u003e\nA: This aftermarket kit is manufactured to OEM specifications and includes the same component types (oil filter, fuel filter, gaskets, pump). The main difference is cost savings without sacrificing quality or performance.\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: If you have basic mechanical skills and follow the installation guide, you can perform this maintenance yourself. However, professional installation is recommended if you're unfamiliar with outboard service procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What should I do if I notice metal particles in the drained lower unit oil?\u003c\/strong\u003e\u003cbr\u003e\nA: Small amounts of metallic residue are normal during break-in or initial services. However, excessive metal shavings may indicate gear wear or damage—consult a marine technician for a thorough inspection before continuing operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\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":52540943565113,"sku":"25KT359","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM359.png?v=1776254430"}],"url":"https:\/\/jlmmarine.com\/collections\/tohatsu-100-hour-maintenance-kits.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}