{"product_id":"kodiak-400-grizzly-400-yfm400-top-end-rebuild-repair-kit-wiseco-piston-gaskets","title":"Kodiak 400 Grizzly 400 YFM400 Top End Rebuild Repair Kit Wiseco Piston Gaskets","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000000px; color: transparent;\"\u003eComplete Yamaha 400\/450 top end rebuild kit with BPRATV cylinder, Wiseco 11:1 forged piston \u0026amp; Vertex gaskets. 84.50mm stock bore direct fit. \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\u003eYamaha Kodiak 400 Grizzly 400 450 YFM Top End Rebuild Kit 84.50mm Wiseco\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Complete 84.50mm Stock Bore Top End Rebuild Kit\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eRestore the power and reliability of your ATV with this \u003cstrong\u003eYamaha 400 \/ 450 Top End Rebuild Kit\u003c\/strong\u003e featuring a \u003cstrong\u003eBPRATV\u003c\/strong\u003e cylinder, \u003cstrong\u003eWiseco\u003c\/strong\u003e forged piston, and \u003cstrong\u003eVertex \/ Moose Racing\u003c\/strong\u003e gasket set. Designed as a direct bolt-on solution for stock bore 84.50mm applications, this kit delivers dependable performance, improved compression, and long-lasting durability at a fraction of OEM cost.\u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e💪 Premium Components for Maximum Performance\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eEngineered for riders who demand reliability and power, this kit combines high-performance internals with OEM-quality fitment. Whether you're rebuilding after wear or upgrading for stronger throttle response, this setup delivers \u003cstrong\u003erace-proven durability\u003c\/strong\u003e and \u003cstrong\u003e11:1 compression performance\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBPRATV\u003c\/strong\u003e 84.50mm Stock Bore Cylinder – Brand New (1-Year Warranty)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eWiseco\u003c\/strong\u003e 84.50mm 11:1 Forged Piston Kit (Piston, Pin, Rings \u0026amp; Clips)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eVertex \/ Moose Racing\u003c\/strong\u003e Top End Gasket Set\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eIncludes Viton Valve Stem Seals for superior sealing\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDirect bolt-on stock bore replacement – No machining required\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Yamaha 400 \/ 450 Compatibility\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003ePrecision engineered to fit the following Yamaha ATV and UTV models with 84.50mm stock bore engines:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha Grizzly 400 (2007–2008)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha Kodiak 400 (2000–2006)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha Grizzly 450 YFM450 (2007–2016)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha Kodiak 450 YFM450 (2003–2024)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha Rhino 450 YXR450 (2006–2009) \u0026amp; Wolverine 450 YFM450 (2006–2010)\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: Is this a stock bore kit?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eA: Yes. This kit is designed for the stock 84.50mm bore size and installs without modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Does the piston increase compression?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eA: The included \u003cstrong\u003eWiseco\u003c\/strong\u003e forged piston features 11:1 compression for improved throttle response and torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: What is included in the gasket kit?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eA: The \u003cstrong\u003eVertex \/ Moose Racing\u003c\/strong\u003e kit includes premium top-end gaskets and Viton valve stem seals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is there a warranty?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eA: Yes. The \u003cstrong\u003eBPRATV\u003c\/strong\u003e cylinder includes a 1-year warranty for peace of mind.\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? Trusted ATV Engine 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.\u003c\/strong\u003e We carefully source and test every component to ensure maximum durability, power, and value. Trust BPRATV to keep your Yamaha Grizzly, Kodiak, Rhino, or Wolverine running at its best, every single time.\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 Yamaha 400 \/ 450 Today – Restore Power \u0026amp; Ride with Confidence!\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\u003cbr\u003e\u003cbr\u003e Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and\/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and\/or may cause the vehicle to be illegal in some locations.\u003cbr\u003e\u003cbr\u003e This product is exempt from the emission standards and related requirements of 40 C.F.R. §1051 as provided by 40 C.F.R. §1051.620, and California law. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition\/racing.\u003c\/p\u003e\n\u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e\u003c\/p\u003e \u003c\/div\u003e \u003c!-- eBay Listing Titles (79-80 Characters Each): Yamaha Kodiak 400 Grizzly 450 Top End Rebuild Kit 84.50mm Wiseco YFM400 YFM450 Top End Kit Kodiak Grizzly Rhino 84.5mm Wiseco Piston Kodiak 450 Grizzly 400 450 Cylinder Piston Gasket Rebuild Kit 84.5mm Yamaha 400 450 Top End Rebuild Kit 84.50mm Cylinder Wiseco 11:1 Grizzly Kodiak Rhino Wolverine 450 400 Top End Kit Wiseco 84.5mm Recommended eBay Product Category: ATV, Side-by-Side \u0026 UTV Parts \u0026 Accessories \u003e Engines \u0026 Components \u003e Complete Engines Recommended Secondary Category: ATV, Side-by-Side \u0026 UTV Parts \u0026 Accessories \u003e Engines \u0026 Components \u003e Pistons, Rings \u0026 Piston Kits Broad Match Keywords: Yamaha 400 top end rebuild kit Yamaha 450 piston kit Kodiak 400 cylinder kit Grizzly 450 rebuild kit YFM450 top end kit YFM400 piston cylinder Wiseco 84.50mm piston Yamaha Rhino 450 engine rebuild Wolverine 450 piston kit ATV cylinder and piston kit Yamaha ATV engine rebuild 84.5mm Yamaha piston kit Meta Title: Yamaha 400 450 Top End Rebuild Kit 84.50mm Wiseco Piston yamaha-400-450-top-end-rebuild-kit-8450mm-wiseco Meta Description: Complete Yamaha 400\/450 top end rebuild kit with BPRATV cylinder, Wiseco 11:1 forged piston \u0026 Vertex gaskets. 84.50mm stock bore direct fit. --\u003e","brand":"BPRATV","offers":[{"title":"Default Title","offer_id":46227624853701,"sku":"JT\/5ND-11310A\/4939M08450\/810875\/267583906606","price":368.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/yfm-450-top-end-rebuild-kit-wiseco4939m08450-5gh-11310-00-00-5nd-11310-00-00-7_b3293893-2ae3-4413-b8d2-25792d112181.png?v=1778892886","url":"https:\/\/bpratv.com\/products\/kodiak-400-grizzly-400-yfm400-top-end-rebuild-repair-kit-wiseco-piston-gaskets","provider":"BPRATV","version":"1.0","type":"link"}