{"product_id":"2021-yamaha-yz450f-service-repair-manual","title":"2021 Yamaha YZ450F Service and Repair Manual","description":"\u003cp\u003eTwo 2021 machines are served by LIT-11626-34-12: the YZ450F, coded YZ450FML, and the YZ450F Monster. Yamaha wrote one book because the service work is the same on both.\u003c\/p\u003e\u003cp\u003eValve clearance measurement and shim tables come first in the engine coverage, then camshaft timing, head and piston service with the stated limits, clutch replacement and a full crankcase and transmission rebuild. The injection and ignition chapters give sensor test values, which is what turns an intermittent misfire into a traceable fault.\u003c\/p\u003e\u003cp\u003eChassis sections cover fork and shock teardown with the specified oil volume, brake and wheel service, bearing replacement, and the torque tables for frame, swingarm and engine mounts. A complete wiring diagram is included.\u003c\/p\u003e\u003cp\u003eConfirm YZ450FML on the frame label before ordering; the Monster shares this part number but carries its own code.\u003c\/p\u003e","brand":"FactoryManual","offers":[{"title":"Default Title","offer_id":49083138605278,"sku":"YAMAHAYZ450F2021SRM","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/4113\/8910\/files\/2021-yamaha-yz450f-service-repair-manual_f3b967db-e1f2-4623-a8da-15703998b5a3.png?v=1789926138","url":"https:\/\/factorymanual.com\/products\/2021-yamaha-yz450f-service-repair-manual","provider":"FactoryManual","version":"1.0","type":"link"}