{"product_id":"yamaha-yfz450r-yfz-450r-09-25-98mm-cylinder-works-cp-piston-cometic-rebuild-kit","title":"Yamaha YFZ450R YFZ 450R '09-25 98mm Cylinder Works CP Piston Cometic Rebuild Kit","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000001px; color: transparent;\"\u003e20003, 20003-K01, M1000, 4865M09500, C7908, 71014-5, CR8EIX, 20003, M1006, C7908, 71014-5, 2S2-11181-00-00, 3VD-14613-01-00, 2S2-11181-00-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11631-21-00, 2S2-11181-00-00, 93450-22027-00, 2S2-11181-00-00, 2S2-11351-00-00, 4FM-12213-00-00, 94591-57120-00, 2S2-11311-30-00, 4FM-12213-00, 2S2-11311-30-00\u003c\/span\u003e\u003c\/p\u003e \u003cdiv style=\"max-width:800px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;line-height:1.5;color:#222;\"\u003e \u003ch2 style=\"text-align:center;font-size:26px;margin:0 0 12px 0;\"\u003e \u003cstrong\u003e🔥 Yamaha YFZ450R YFZ450X 98mm Cylinder Works + CP Carrillo Top End Kit 🔥\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e💥 Unleash Amazing Power \u0026amp; Reliability\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eUpgrade your \u003cstrong\u003eYamaha YFZ450R or YFZ450X Fuel Injected model\u003c\/strong\u003e with this complete \u003cstrong\u003e98mm Big Bore Top End Rebuild Kit\u003c\/strong\u003e. Featuring a \u003cstrong\u003eCylinder Works Nikasil Plated Cylinder\u003c\/strong\u003e, \u003cstrong\u003eCP Carrillo 12.5:1 Forged Piston Kit\u003c\/strong\u003e, and \u003cstrong\u003eCometic MLS Gasket Kit\u003c\/strong\u003e, this package is engineered to deliver explosive power, precise throttle response, and long-term durability. Perfect for riders seeking proven performance backed by premium components.\u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e⚡ Premium Components – Built for Performance\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eThis all-in-one kit is designed for maximum strength and reliability. Each component is precision engineered in the USA and tested to meet the highest performance standards.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCylinder Works 98mm Big Bore Nikasil Cylinder\u003c\/strong\u003e – superior cooling, durability, and 1-year warranty.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCP Carrillo 12.5:1 Forged Piston Kit\u003c\/strong\u003e – piston, rings, wrist pin \u0026amp; clips included.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCometic MLS Top End Gasket Kit\u003c\/strong\u003e – ensures a leak-free, reliable seal.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eForged aluminum construction\u003c\/strong\u003e – CNC machined \u0026amp; rigorously tested for precision.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eProudly Made in the USA\u003c\/strong\u003e – backed by manufacturer warranties.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Perfect Fit \u0026amp; Seamless Installation\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eThis rebuild kit is a \u003cstrong\u003edirect bolt-on upgrade\u003c\/strong\u003e designed to replace Yamaha OEM part numbers \u003cstrong\u003e2S2-11311-30-00, 5TG-11631-12-00, 5TG-11631-11-00, 2S2-11181-00-00\u003c\/strong\u003e. No machining required – install with confidence and get back on the trail or track with stronger performance than ever.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYFZ450R\u003c\/strong\u003e (2009–2025, including SE models).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYFZ450X\u003c\/strong\u003e (2010–2011, including Bill Balance Edition).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDoes \u003cstrong\u003eNOT\u003c\/strong\u003e fit carburetor models.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDirect OEM replacement – no modifications required.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eBacked by a 1-Year Warranty for peace of mind.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e❓ Frequently Asked Questions (FAQ)\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: What makes this a complete top end rebuild kit?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eIt includes everything: Cylinder Works 98mm Cylinder, CP Carrillo 12.5:1 Forged Piston Kit, and Cometic MLS Gasket Kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Does this require machining?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eNo – this is a direct bolt-on big bore Nikasil cylinder kit. No machining is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is the piston pump gas friendly?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eYes – the CP Carrillo 12.5:1 piston is designed for pump gas or race gas, making it both powerful and convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: What models does this fit?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eYFZ450R (2009–2025, including SE), YFZ450X (2010–2011, including Bill Balance Edition). Not for carb models.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🌟 Why Buy from BPRATV? Your YFZ450 Performance Experts! 🌟\u003c\/h3\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eAt BPRATV, our promise is unwavering: \u003cstrong\u003eThe Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e This \u003cstrong\u003eYFZ450R Top End Rebuild Kit\u003c\/strong\u003e reflects our dedication to providing riders with premium components that ensure maximum durability, horsepower, and reliability. Trust BPRATV to deliver the exact parts you need to keep your YFZ450 running stronger, faster, and better – every time you ride.\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#38761d;font-size:16px;\"\u003e\u003cstrong\u003e\u003cem\u003eUpgrade your YFZ450R\/X today – power, performance, and precision await! 🏁\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e\u003cstrong\u003eBPRATV - The Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e\u003cstrong\u003eBRAPPPPPPPPPP!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e© BPRATV LLC\u003c\/p\u003e \u003c\/div\u003e \u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000001px; color: transparent;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000001px; color: transparent;\"\u003e20003, 20003-K01, M1000, 4865M09500, C7908, 71014-5, CR8EIX, 20003, M1006, C7908, 71014-5, 2S2-11181-00-00, 3VD-14613-01-00, 2S2-11181-00-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11631-21-00, 2S2-11181-00-00, 93450-22027-00, 2S2-11181-00-00, 2S2-11351-00-00, 4FM-12213-00-00, 94591-57120-00, 2S2-11311-30-00, 4FM-12213-00, 2S2-11311-30-00, YFZ450R big bore kit YFZ450X rebuild kit Cylinder Works YFZ450 kit CP Carrillo piston YFZ450 98mm YFZ450R top end YFZ450R FI piston kit YFZ450X big bore piston Cometic gasket YFZ450 YFZ450R cylinder piston kit Yamaha YFZ450 top end rebuild High compression YFZ450 piston Made in USA YFZ450 kit \u003c\/span\u003e\u003c\/p\u003e","brand":"BPRATV","offers":[{"title":"Default Title","offer_id":45052572106949,"sku":"257085199066\/21003-1\/M1009\/C3178\/JT","price":699.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/yfz450r-yfz-450r-95mm-stock-standard-bore-cylinder-cp-piston-cometic-rebuild-kit-2_5cb88e13-7aac-419d-8f7a-dee1614dcd2e.png?v=1756430835","url":"https:\/\/bpratv.com\/products\/yamaha-yfz450r-yfz-450r-09-25-98mm-cylinder-works-cp-piston-cometic-rebuild-kit","provider":"BPRATV","version":"1.0","type":"link"}