{"product_id":"8m0097858-maintenance-kit-for-mercury-verado-jlm-marine","title":"8M0097858 Maintenance Kit for Mercury Verado | JLM Marine","description":"\u003ch2\u003e8M0097858 Maintenance Kit for Mercury Verado\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed specifically for \u003cstrong\u003eMercury Verado 200-300 HP L6 outboard engines\u003c\/strong\u003e with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e. It includes all essential components required for routine service intervals, ensuring optimal engine performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces Mercury OEM part number \u003cstrong\u003e8M0097858\u003c\/strong\u003e, consolidating critical maintenance items into one convenient package for simplified servicing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete service kit including oil filter, fuel filter, drain gaskets, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eEngineered for Mercury Verado L6 200-300 HP outboard engines\u003c\/li\u003e\n  \u003cli\u003eAll components meet 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 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\u003e8M0097858\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\u003eModel\u003c\/th\u003e\n      \u003cth\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eSerial Number Range\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\u003eVerado L6\u003c\/td\u003e\n      \u003ctd\u003e200-300 HP\u003c\/td\u003e\n      \u003ctd\u003e2B144122 \u0026amp; below\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\u003e8M0097858\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Engine\u003c\/td\u003e\n      \u003ctd\u003eMercury Verado L6 200-300 HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSerial Number Range\u003c\/td\u003e\n      \u003ctd\u003e2B144122 \u0026amp; below\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComplete Maintenance 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\u003e877769K01\u003c\/strong\u003e (Oil Filter) × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/oil-filter-for-mercury-75-90-115-hp-18-7758\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0122423\u003c\/strong\u003e (Fuel Filter) × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/fuel-filter-for-mercury-mariner-75-300-hp-mercruiser-4-5l-6-2l-35-8m0122423-35-8m006004\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e888593.0\u003c\/strong\u003e (Oil Plug Drain Gasket) × 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\u003e888593\u003c\/strong\u003e (Oil Plug Drain Gasket) × 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\u003cp\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Verify all part numbers against your engine's service manual before installation.\u003c\/span\u003e\u003c\/p\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 tools including a drain pan, torque wrench, and the included gear oil pump.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Oil Change:\u003c\/strong\u003e Remove the old oil filter using a filter wrench and install the new 877769K01 oil filter, hand-tightening plus 3\/4 turn.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Drain Plug:\u003c\/strong\u003e Replace the oil plug drain gasket (888593) on the drain plug before reinstalling to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Locate the fuel filter assembly, relieve fuel system pressure, and replace the old filter with the new 8M0122423 fuel filter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Remove both lower unit drain and vent plugs, allowing old gear oil to drain completely into your pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Gaskets:\u003c\/strong\u003e Install new 830749 lower unit drain gaskets on both drain and vent plugs to ensure proper sealing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Use the included gear oil pump (24OP149) to inject fresh gear oil through the drain hole until it flows from the vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug Installation:\u003c\/strong\u003e Quickly install the vent plug first (with new gasket), then the drain plug to minimize oil loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Specifications:\u003c\/strong\u003e Tighten all plugs and filters to manufacturer-specified torque values found in your service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Check:\u003c\/strong\u003e Start the engine and let it idle for several minutes, checking for leaks around all service points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Shut down the engine and perform a final visual inspection of all replaced components and gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Record the service 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 Mercury Verado engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine is a Mercury Verado L6 model rated between 200-300 HP with serial number 2B144122 or below. You can locate your serial number on the engine mounting bracket or refer to the Mercury Serial Number Guide linked above.\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 following the maintenance schedule in your owner's manual, typically every 100 hours of operation or annually, whichever comes first. More frequent service may be required in harsh operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old drain gaskets instead of the new ones included?\u003c\/strong\u003e\u003cbr\u003e\nA: No, always replace drain gaskets during service. Reusing old gaskets can lead to leaks and potential contamination of your engine or lower unit oil.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my fuel filter needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include difficulty starting, rough idling, loss of power under load, or engine stalling. Regular replacement prevents these issues before they occur.\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":52418250703161,"sku":"25KM291","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM291.png?v=1776686786","url":"https:\/\/jlmmarine.com\/es\/products\/8m0097858-maintenance-kit-for-mercury-verado-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}