{"title":"Honda BF75 Parts \u0026 Diagrams","description":"\u003cp\u003eOEM and aftermarket replacement parts for Honda BF75. Scroll down for exploded parts diagrams (24), specifications, and maintenance reference.\u003c\/p\u003e","products":[{"product_id":"thermostat-for-honda-bf-8-9-9-15-20-25-30-40-50-60-100-200-225-19300-zw9-003-19300-zw9-003","title":"0436174 0437090 0765585 Thermostat for Johnson Evinrude 90HP 105HP 115HP 135HP 150HP 175HP 200HP 225HP 250HP | JLM Marine","description":"\u003ch2\u003eThermostat for Johnson Evinrude 90HP 105HP 115HP 115HP 135HP 150HP 175HP 200HP 225HP 250HP | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis marine engine thermostat is engineered to fit a wide range of \u003cstrong\u003eJohnson\/Evinrude outboard engines\u003c\/strong\u003e from \u003cstrong\u003e90HP to 250HP\u003c\/strong\u003e, covering model years \u003cstrong\u003e1995–2006\u003c\/strong\u003e. Designed to regulate engine operating temperature and ensure optimal performance, this thermostat is a critical component for preventing overheating and maintaining efficient cooling system operation.\u003c\/p\u003e\n\n\u003cp\u003eThis thermostat directly replaces OEM part numbers \u003cstrong\u003e0436174\u003c\/strong\u003e, \u003cstrong\u003e0437090\u003c\/strong\u003e, \u003cstrong\u003e0765585\u003c\/strong\u003e, and \u003cstrong\u003e0435100\u003c\/strong\u003e, as well as Sierra aftermarket number \u003cstrong\u003e18-3545\u003c\/strong\u003e. It provides reliable cross-compatibility for multiple Johnson\/Evinrude outboard models across various horsepower ratings.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete kit includes thermostat and thermostat seals for immediate installation\u003c\/li\u003e\n  \u003cli\u003eFits multiple horsepower ratings from 90HP to 250HP across 1995–2006 model years\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for OEM and aftermarket part numbers\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\u003eJohnson\/Evinrude OEM\u003c\/td\u003e\n      \u003ctd\u003e0437090\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude OEM\u003c\/td\u003e\n      \u003ctd\u003e0436174\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude OEM\u003c\/td\u003e\n      \u003ctd\u003e0765585\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude OEM\u003c\/td\u003e\n      \u003ctd\u003e0435100\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra\u003c\/td\u003e\n      \u003ctd\u003e18-3545\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\"\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\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBE90, BJ90, E90, J90\u003c\/td\u003e\n        \u003ctd\u003e90HP\u003c\/td\u003e\n        \u003ctd\u003e1997\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eE150, J150\u003c\/td\u003e\n        \u003ctd\u003e105HP\u003c\/td\u003e\n        \u003ctd\u003e1997\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBE115, BJ115, E115, HE115, HJ115, J115, L115\u003c\/td\u003e\n        \u003ctd\u003e115HP\u003c\/td\u003e\n        \u003ctd\u003e1997\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eE135, RE135\u003c\/td\u003e\n        \u003ctd\u003e135HP\u003c\/td\u003e\n        \u003ctd\u003e2000–2006\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBE150, BJ150, E150, J150, L150, SE150, SJ150, RE150\u003c\/td\u003e\n        \u003ctd\u003e150HP\u003c\/td\u003e\n        \u003ctd\u003e1997–2006\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBJ175, E175, J175, RE175\u003c\/td\u003e\n        \u003ctd\u003e175HP\u003c\/td\u003e\n        \u003ctd\u003e1997–2006\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBE200, BJ200, E200, J200, LE200, LJ200, SE200, SJ200\u003c\/td\u003e\n        \u003ctd\u003e200HP\u003c\/td\u003e\n        \u003ctd\u003e1995–1999\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eBE225, E225, J225, SE225, SJ225\u003c\/td\u003e\n        \u003ctd\u003e225HP\u003c\/td\u003e\n        \u003ctd\u003e1995–1999\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eE250, J250\u003c\/td\u003e\n        \u003ctd\u003e250HP\u003c\/td\u003e\n        \u003ctd\u003e1998\u003c\/td\u003e\n        \u003ctd\u003e0436174, 0437090, 0765585, 0435100\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\u003eComponent Type\u003c\/td\u003e\n      \u003ctd\u003eThermostat\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMarine Outboard Engine\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBrand Compatibility\u003c\/td\u003e\n      \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHorsepower Range\u003c\/td\u003e\n      \u003ctd\u003e90HP – 250HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Year Range\u003c\/td\u003e\n      \u003ctd\u003e1995–2006\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 complete thermostat kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Thermostat\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Thermostat Seals\u003c\/strong\u003e\u003c\/span\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\u003eSafety First:\u003c\/strong\u003e Ensure the engine is completely cool and the ignition is off before beginning work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocate Thermostat Housing:\u003c\/strong\u003e Identify the thermostat housing on your Johnson\/Evinrude outboard engine, typically located on the cylinder head.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Cover Bolts:\u003c\/strong\u003e Carefully remove the bolts securing the thermostat housing cover using the appropriate socket or wrench.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtract Old Thermostat:\u003c\/strong\u003e Lift out the old thermostat and remove the old seals or gasket material. Clean all mating surfaces thoroughly with a scraper and solvent.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect Surfaces:\u003c\/strong\u003e Check the housing and cover surfaces for cracks, corrosion, or warping that could cause leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall New Seals:\u003c\/strong\u003e Position the new thermostat seals onto the housing or thermostat as per your engine's design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert New Thermostat:\u003c\/strong\u003e Place the new thermostat into the housing in the correct orientation (valve side typically faces the engine block).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinstall Cover:\u003c\/strong\u003e Position the thermostat housing cover and hand-tighten the bolts first to ensure proper alignment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Bolts:\u003c\/strong\u003e Tighten the cover bolts to manufacturer's specifications in a cross-pattern to ensure even pressure and prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Coolant:\u003c\/strong\u003e Top off the cooling system with fresh water or the appropriate coolant mixture as specified by your engine manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Operation:\u003c\/strong\u003e Start the engine and monitor for leaks around the thermostat housing. Allow the engine to warm up and verify proper cooling system operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e After a brief test run, shut down the engine and recheck all bolts and connections for tightness.\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 thermostat fits my Johnson\/Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's model and year with the compatibility table above. You can also verify by checking your current thermostat's OEM part number (0436174, 0437090, 0765585, or 0435100) stamped on the part or listed in your engine manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my thermostat needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include engine overheating, running too cool (poor fuel efficiency), erratic temperature gauge readings, or coolant leaks around the thermostat housing. If your engine's cooling performance has changed, the thermostat should be inspected.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my outboard thermostat?\u003c\/strong\u003e\u003cbr\u003e\nA: Thermostats should be inspected annually and typically replaced every 2–3 years or sooner if you notice cooling system issues. Saltwater environments may require more frequent replacement due to corrosion and mineral buildup.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include the gasket or seals I need?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this complete kit includes both the thermostat and the thermostat seals required for installation, so you have everything needed for a proper repair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket thermostat and the OEM 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":50579286262073,"sku":"23TH610","price":16.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Thermostat_for_Honda_BF_8_99_15_20_25_30_40_50_60_100_200_225_19300-ZW9-003____19300-ZW9-003_-_JLM_MARINE-8291171.jpg?v=1755742209"}],"url":"https:\/\/jlmmarine.com\/collections\/honda-bf75.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}