{"product_id":"cylinder-works-20005-k02-97-00-mm-standard-bore-12-5-1-cylinder-kit-for-yamaha-yz450f-yz450fx-and-wr450f","title":"Cylinder Works 20005-K02 97.00 mm Standard Bore 12.5:1 Cylinder Kit for Yamaha YZ450F, YZ450FX and WR450F","description":"\u003cp\u003eThe Cylinder Works 20005-K02 Cylinder Kit is a complete standard-bore replacement kit designed for select Yamaha 450F four-stroke motorcycles. This high-compression kit uses a 97.00 mm bore and a 12.5:1 compression ratio to support strong engine performance while maintaining a stock-style appearance. It is engineered for riders and technicians seeking a dependable top-end replacement without unnecessary machine work.\u003c\/p\u003e\u003cp\u003eThe kit includes the cylinder, matched Vertex piston kit and required gaskets for a complete installation. The piston and cylinder are matched to help promote longevity, consistent performance and reduced engine noise. The cylinder features nickel silicon carbide plating for enhanced durability, wear resistance and extended service life. Its stock-like appearance makes it a practical choice for restoration, maintenance or performance-focused engine work.\u003c\/p\u003e\u003cp\u003eFitment includes the 2014 and 2015 Yamaha YZ450F, 2016 and 2017 Yamaha YZ450F, 2016 through 2018 Yamaha YZ450FX, and 2016 and 2017 Yamaha WR450F. Verify the motorcycle model and year before ordering. The top-end gasket kit does not include valve stem seals. Replacement pistons, gaskets and ring sets are available separately, and this kit is intended as a complete high-compression standard-bore solution for compatible applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete 97.00 mm standard-bore high-compression cylinder kit\u003c\/li\u003e\n\u003cli\u003e12.5:1 compression ratio for enhanced engine performance\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder, matched Vertex piston kit and gaskets\u003c\/li\u003e\n\u003cli\u003eNickel silicon carbide-plated cylinder for extended durability and service life\u003c\/li\u003e\n\u003cli\u003eStock-style cylinder appearance\u003c\/li\u003e\n\u003cli\u003eNo machine work required for compatible applications\u003c\/li\u003e\n\u003cli\u003eMatched piston and cylinder help promote longevity, performance and reduced engine noise\u003c\/li\u003e\n\u003cli\u003eTop-end gasket kit does not include valve stem seals\u003c\/li\u003e\n\u003cli\u003eReplacement pistons, gaskets and ring sets are available separately\u003c\/li\u003e\n\u003cli\u003eFits 2014-2017 Yamaha YZ450F, 2016-2018 Yamaha YZ450FX and 2016-2017 Yamaha WR450F\u003c\/li\u003e\n\u003cli\u003eBrand: Cylinder Works\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 20005-K02\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 422-20005K2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2014 Yamaha YZ450F\u003cbr\u003e\n2015 Yamaha YZ450F\u003cbr\u003e\n2016 Yamaha WR450F\u003cbr\u003e\n2016 Yamaha YZ450F\u003cbr\u003e\n2016 Yamaha YZ450FX\u003cbr\u003e\n2017 Yamaha WR450F\u003cbr\u003e\n2017 Yamaha YZ450F\u003cbr\u003e\n2017 Yamaha YZ450FX\u003cbr\u003e\n2018 Yamaha WR450F\u003cbr\u003e\n2018 Yamaha YZ450FX","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":67551704219883,"sku":"422-20005K2","price":745.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/f21c-5a58f2964497d.jpg?v=1790721672","url":"https:\/\/ctracingservices.com\/products\/cylinder-works-20005-k02-97-00-mm-standard-bore-12-5-1-cylinder-kit-for-yamaha-yz450f-yz450fx-and-wr450f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}