{"product_id":"ghmarine-66m-12411-thermostat-repair-kit-for-yamaha-outboards-9-9-70hp","title":"GHmarine 66M-12411 Thermostat Repair Kit for Yamaha Outboards (9.9–70HP)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eKeep your Yamaha four-stroke outboard running smoothly with the GHmarine thermostat repair kit. Engine cooling is essential for performance and longevity, and this kit is designed to restore proper coolant flow for engines in the 9.9–70 HP range. The kit emphasizes a crisp fit and reliable materials that many owners appreciate during routine maintenance or on-the-water emergencies.\u003c\/p\u003e\n\u003ch2\u003eWhy choose this thermostat repair kit?\u003c\/h2\u003e\n\u003cp\u003eThe components are selected to work together so you can replace worn parts without hunting for mismatched pieces. The thermostat helps regulate engine temperature, the gasket seals the housing to prevent leaks, and the seal provides enduring contact between parts. Together they support consistent cooling performance and easier servicing.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThermostat 66M-12411\u003c\/li\u003e\n\u003cli\u003eThermostat housing gasket 62Y-12414\u003c\/li\u003e\n\u003cli\u003eThermostat seal 688-12412\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and replacements\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed to replace Yamaha parts 66M-12411, 6G8-12411, 62Y-12414, 6H3-12414, Sierra 18-3541, and Mallory 9-43037. It suits Yamaha 4-stroke engines ranging from 9.9 up to 70 HP, including models like F9.9, FT9.9, F15, F25, FT25, F30, F40, F50, FT50, F60, FT60, and F70.\u003c\/p\u003e\n\u003ch3\u003eReal-world uses and benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-season service: refresh cooling components to support steady cooling during busy boating seasons.\u003c\/li\u003e\n\u003cli\u003eRepair scenario: replace worn thermostat parts to restore stable engine temperature in varied conditions.\u003c\/li\u003e\n\u003cli\u003eQuick maintenance: a compact kit fits into standard service workflows for boat owners and technicians.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Benefits described here reflect possible improvements in cooling system reliability and maintenance ease rather than guaranteed results. Exact outcomes depend on the engine’s condition and installation accuracy.\u003c\/p\u003e\n\u003ch3\u003eAbout GHmarine\u003c\/h3\u003e\n\u003cp\u003eGHmarine designs replacement parts for marine engines with an emphasis on precise fit, durable materials, and straightforward installation. This thermostat repair kit is built to support consistent operation in Yamaha outboard applications while offering value and peace of mind for on-water upkeep.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this thermostat repair kit compatible with Yamaha 4-stroke outboards?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits Yamaha 4-stroke engines from 9.9 to 70 HP and replaces several Yamaha part numbers listed in the description.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What items are included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The package includes thermostat 66M-12411, housing gasket 62Y-12414, and thermostat seal 688-12412.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GHmarine","offers":[{"title":"Default Title","offer_id":42466346500181,"sku":"B0D1N1YV6F","price":32.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ghmarine-thermostat-repair-kit-yamaha-outboard-9-70hp.jpg?v=1778046357","url":"https:\/\/plentytorque.co.uk\/products\/ghmarine-66m-12411-thermostat-repair-kit-for-yamaha-outboards-9-9-70hp","provider":"PlentyTorque","version":"1.0","type":"link"}