{"product_id":"8m0097854-maintenance-kit-for-mercury-75hp-90hp-100hp-115hp-jlm-marine","title":"8M0097854 Maintenance Kit for Mercury 75HP 90HP 100HP 115HP | JLM Marine","description":"\u003ch2\u003e8M0097854 Maintenance Kit for Mercury 75HP 90HP 100HP 115HP\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is engineered for Mercury outboard engines rated at \u003cstrong\u003e75–115 HP (2.1L)\u003c\/strong\u003e. It consolidates essential service components into one package, simplifying routine maintenance and ensuring your engine runs at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e8M0097854\u003c\/strong\u003e, providing a cost-effective solution for regular service intervals without compromising on quality or reliability.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes oil filter, fuel filter, lower unit drain gaskets, and gear oil pump\u003c\/li\u003e\n\u003cli\u003eDesigned for Mercury 2.1L mid-range outboards\u003c\/li\u003e\n\u003cli\u003eConsolidates multiple service parts for convenient 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\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8M0097854\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. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\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\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eEngine Displacement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e75–115 HP\u003c\/td\u003e\n\u003ctd\u003e2.1L\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 Part Number\u003c\/td\u003e\n\u003ctd\u003e8M0097854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003eMercury 75–115 HP (2.1L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eMaintenance\/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\u003e8M0065104\u003c\/strong\u003e (Oil Filter) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e879885Q\u003c\/strong\u003e (Fuel Filter) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749.0\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e (Gear Oil Pump) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the engine:\u003c\/strong\u003e Ensure the outboard is off, cool, and secured in an upright position. Gather necessary tools including wrenches, a drain pan, and clean rags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the oil filter:\u003c\/strong\u003e Locate the oil filter on the engine block, unscrew the old filter using a filter wrench, and install the new 8M0065104 oil filter hand-tight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the fuel filter:\u003c\/strong\u003e Disconnect fuel lines from the old 879885Q fuel filter, noting the flow direction. Install the new filter ensuring correct orientation and secure all clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain lower unit:\u003c\/strong\u003e Position the drain pan beneath the lower unit and remove the drain and vent screws. Allow all old gear oil to drain completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace drain gaskets:\u003c\/strong\u003e Remove old 830749\/830749.0 gaskets from drain and vent screws, clean the screw threads, and install new gaskets from the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill lower unit:\u003c\/strong\u003e Using the 24OP149 gear oil pump, insert the nozzle into the lower drain hole and pump fresh gear oil until it flows from the upper vent hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall plugs:\u003c\/strong\u003e Quickly reinstall the upper vent screw with new gasket first, then the lower drain screw with new gasket. Tighten both to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for leaks:\u003c\/strong\u003e Wipe all service points clean and inspect for oil or fuel leaks. Run the engine briefly and recheck all filters and drain plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispose of fluids properly:\u003c\/strong\u003e Collect all used oil, fuel, and filters for proper disposal according to local environmental regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecord maintenance:\u003c\/strong\u003e Log the service date and engine hours in your maintenance records 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 kit fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed for Mercury 75–115 HP engines with 2.1L displacement. Cross-reference your engine's model and serial number with the compatibility table above, or consult your owner's manual to verify the OEM part number 8M0097854 is specified for your model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance with this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends changing the oil filter and fuel filter every 100 hours of operation or annually, whichever comes first. Lower unit gear oil and gaskets should be serviced every 100 hours or seasonally, especially before winter storage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit if I'm missing just one component?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can use individual components from this kit as needed. However, purchasing the complete kit is typically more cost-effective if you're due for comprehensive maintenance, and having spare gaskets on hand is always recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that I need to replace these maintenance items?\u003c\/strong\u003e\u003cbr\u003e\nA: Common indicators include difficulty starting, reduced engine performance, milky or metallic lower unit oil, visible fuel filter contamination, or oil filter leaks. Never wait for symptoms—follow the manufacturer's recommended service intervals.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. 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":52418242511161,"sku":"25KM290","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM290.png?v=1776686783","url":"https:\/\/jlmmarine.com\/es\/products\/8m0097854-maintenance-kit-for-mercury-75hp-90hp-100hp-115hp-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}