{"product_id":"5000308-annual-service-kit-for-evinrude-40hp-50hp-55hp-60hp-65hp-jlm-marine","title":"5000308 Annual Service Kit for Evinrude 40HP 50HP 55HP 60HP 65HP | JLM Marine","description":"\u003ch2\u003eAnnual Service Kit for Evinrude 40HP 50HP 55HP 60HP 65HP – OEM 5000308\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive annual service kit is designed for Evinrude outboard engines ranging from \u003cstrong\u003e40HP to 65HP\u003c\/strong\u003e, covering model years \u003cstrong\u003e2004-2020\u003c\/strong\u003e. It provides all the essential components needed for routine maintenance, ensuring your engine runs reliably season after season.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e5000308\u003c\/strong\u003e and includes critical wear items such as the water pump impeller, thermostat, fuel filter, gaskets, seals, and gear oil pump—everything required for a complete annual service in one convenient package.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes \u003cstrong\u003e10 essential components\u003c\/strong\u003e: impeller, thermostat, fuel filter, gaskets, seals, wear plate, and gear oil pump\u003c\/li\u003e\n\u003cli\u003eFits multiple Evinrude HP ratings from 40HP to 65HP across 16+ years of production\u003c\/li\u003e\n\u003cli\u003eSimplifies annual maintenance with all necessary parts in one kit\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\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e5000308\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 Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\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\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e40HP\u003c\/td\u003e\n\u003ctd\u003e2004-2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e50HP\u003c\/td\u003e\n\u003ctd\u003e2004-2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e55HP\u003c\/td\u003e\n\u003ctd\u003e2008-2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e60HP\u003c\/td\u003e\n\u003ctd\u003e2005-2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e65HP\u003c\/td\u003e\n\u003ctd\u003e2008-2020\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\u003e5000308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eAnnual Service Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eEvinrude 40HP-65HP Outboards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYear Range\u003c\/td\u003e\n\u003ctd\u003e2004-2020\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 annual service kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e396725 396723 (Impeller)\u003c\/strong\u003e x1 – \u003cspan style=\"color:red;\"\u003eEssential for water pump operation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e334897 (Impeller Key)\u003c\/strong\u003e x2 – Secures impeller to shaft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e336530 (Gasket)\u003c\/strong\u003e x1 – Seals water pump housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e324981 (Seal)\u003c\/strong\u003e x1 – Prevents water leakage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e319275 (Wear Plate)\u003c\/strong\u003e x1 – Protects pump housing from impeller wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e340619 (Insert Cup)\u003c\/strong\u003e x1 – Water pump component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5005440 (Thermostat)\u003c\/strong\u003e x1 – \u003cspan style=\"color:red;\"\u003eRegulates engine temperature\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5005266 (Fuel Filter)\u003c\/strong\u003e x1 – \u003cspan style=\"color:red;\"\u003eEnsures clean fuel supply\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e311598 (Drain Screw Gasket)\u003c\/strong\u003e x2 – Seals lower unit drain plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24OP149 (Gear Oil Pump)\u003c\/strong\u003e x1 – For lower unit oil changes\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 all tools and components from the kit. Ensure the engine is off and cool before beginning work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Lower Unit:\u003c\/strong\u003e Disconnect the lower unit from the mid-section according to your engine's service manual. Support it securely during removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Gear Oil:\u003c\/strong\u003e Remove drain and vent plugs from the lower unit. Use the included gear oil pump for refilling later.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisassemble Water Pump:\u003c\/strong\u003e Remove the water pump housing and carefully extract the old impeller, gaskets, seals, and wear plate. Inspect all surfaces for damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall New Wear Plate:\u003c\/strong\u003e Position the new wear plate (319275) in the pump housing. Ensure proper alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Impeller:\u003c\/strong\u003e Lubricate the new impeller (396725 396723) with marine grease. Install impeller keys (334897) and carefully insert the impeller, ensuring vanes face the correct direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Seals and Gaskets:\u003c\/strong\u003e Place the new seal (324981), insert cup (340619), and gasket (336530) in their proper positions. Do not reuse old gaskets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReassemble Water Pump:\u003c\/strong\u003e Reinstall the water pump housing, tightening bolts to manufacturer's specifications. Check that all components seat properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Thermostat:\u003c\/strong\u003e Locate the thermostat housing on the cylinder head. Remove the old thermostat and install the new one (5005440) with the correct orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Disconnect fuel lines and replace the old fuel filter with the new filter (5005266). Ensure connections are secure and leak-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included gear oil pump (24OP149) and new drain screw gaskets (311598), refill the lower unit with manufacturer-recommended gear oil until it flows from the vent hole. Reinstall plugs immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall Lower Unit:\u003c\/strong\u003e Reattach the lower unit to the mid-section. Test the engine in a water tank or on the boat to verify proper operation and check for leaks.\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 specific Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Check the compatible engine models table above for your HP rating and year. Your engine should fall within 40HP-65HP and model years 2004-2020. You can also verify using your engine's serial number with our Johnson\/Evinrude serial number guide linked above.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform an annual service with this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: As the name suggests, this service should be performed annually or every 100 hours of operation, whichever comes first. More frequent service may be needed in harsh saltwater environments or if you notice overheating or performance issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my water pump impeller needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include weak water stream from the tell-tale indicator, engine overheating, steam from the engine, reduced performance, or alarm activation. Never ignore these signs—impeller failure can cause severe engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any special tools to install this service kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Basic hand tools (wrenches, screwdrivers, pliers) are sufficient for most installations. The kit includes a gear oil pump for lower unit service. A torque wrench is recommended for reassembly to manufacturer specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit if my engine has been modified or has aftermarket parts?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed for stock Evinrude engines within the specified HP and year range. If your engine has modifications, verify compatibility of each component before installation.\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\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":52418225930553,"sku":"25KO235","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KO235_c79f635f-4e30-40f2-a135-3deadf9dfbe5.png?v=1776686764","url":"https:\/\/jlmmarine.com\/es\/products\/5000308-annual-service-kit-for-evinrude-40hp-50hp-55hp-60hp-65hp-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}