{"product_id":"spi-knock-sensor-for-yamaha-many-2004-2021-snow-replaces-oem-8fe-85780-00-00","title":"SPI Knock Sensor for Yamaha many 2004-2021 Snow Replaces OEM# 8FE-85780-00-00","description":"\u003ch2\u003eSPI Knock Sensor for Yamaha\u003c\/h2\u003e\u003cp\u003eThis knock sensor is designed to detect engine detonation in Yamaha snowmobiles, replacing OEM part number 8FE-85780-00-00.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI knock sensor monitors combustion chamber vibrations to prevent engine damage in Yamaha snowmobiles from 2004 to 2021. It directly replaces OEM part 8FE-85780-00-00, ensuring accurate knock detection and proper ignition timing. Ideal for maintaining peak performance in two-stroke and four-stroke snowmobile engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement for part 8FE-85780-00-00\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity piezoelectric element detects early detonation\u003c\/li\u003e\n\u003cli\u003eRugged housing resists vibration, moisture, and temperature extremes\u003c\/li\u003e\n\u003cli\u003ePrecision threaded mounting for secure installation\u003c\/li\u003e\n\u003cli\u003eTested for reliable operation in cold start conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInstalled on Yamaha snowmobiles from 2004 through 2021\u003c\/li\u003e\n\u003cli\u003eUsed in both recreational and trail riding conditions\u003c\/li\u003e\n\u003cli\u003eHelps protect engines during aggressive throttle application\u003c\/li\u003e\n\u003cli\u003eEssential for tuned or high-compression motors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8FE-85780-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8FE-85780-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this knock sensor work on all Yamaha snowmobiles? \u003cstrong\u003eA:\u003c\/strong\u003e It is designed for models from 2004 to 2021, but always verify compatibility with your specific serial number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I install the knock sensor? \u003cstrong\u003eA:\u003c\/strong\u003e Installation typically involves threading the sensor into the engine block and connecting the wire harness; consult your service manual for torque specs.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949749432406,"sku":"SZ1F14008","price":193.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_0c64c6c4-3148-4f86-be00-829e100d5691.jpg?v=1781397931","url":"https:\/\/www.solidspare.com\/products\/spi-knock-sensor-for-yamaha-many-2004-2021-snow-replaces-oem-8fe-85780-00-00","provider":"Solid Spare","version":"1.0","type":"link"}