{"product_id":"yamaha-yfz450-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2004-2013","title":"Yamaha YFZ450 YFZ 450 98mm Wiseco Piston 12.75:1 Big Bore Kit \u0026 Cometic Gaskets","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.001pt; color: transparent;\"\u003eUpgrade your carbureted Yamaha YFZ450 with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2004–2009 \u0026amp; 2012–2013. High-compression, race-tested performance from BPRATV. \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\n\u003cstrong\u003eBPRATV Yamaha YFZ450 98mm Wiseco Big Bore Piston \u0026amp; Cometic Gasket Kit\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Race-Built 98mm Big Bore Performance Upgrade\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eUpgrade your Yamaha with a precision-engineered \u003cstrong\u003e98mm Wiseco Forged Big Bore Piston Kit\u003c\/strong\u003e paired with a \u003cstrong\u003eCometic MLS Top End Gasket Set\u003c\/strong\u003e. Designed for \u003cstrong\u003emaximum reliability, pump or race gas compatibility, and high-output performance\u003c\/strong\u003e, this kit transforms your carbureted YFZ450 into a harder-hitting, faster-revving machine. All components are brand-new, USA-made, and built for riders who demand the best.\u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Key Features \u0026amp; Benefits\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eEvery part in this kit is engineered to deliver \u003cstrong\u003erace-ready durability\u003c\/strong\u003e while maintaining OEM-level fitment. Ideal for aggressive trail riding, dunes, racing, or replacing worn factory components with premium forged performance.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eCustom \u003cstrong\u003eBPRATV Wiseco 98mm Forged Piston\u003c\/strong\u003e for maximum strength and heat stability\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eHigh-compression 12.75:1 design for excellent power gains\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCometic MLS Big Bore Head Gasket\u003c\/strong\u003e ensures superior sealing under heavy load\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eIncludes rings, wrist pin, and clips — complete top end solution\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eAll parts are 100% \u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Compatibility\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eDesigned exclusively for Yamaha’s \u003cstrong\u003ecarbureted YFZ450 models\u003c\/strong\u003e. Does NOT fit any fuel-injected YFZ450R or YFZ450X machines.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFits Yamaha YFZ450 (Carbureted)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits years: \u003cstrong\u003e2004–2009\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDoes \u003cstrong\u003eNOT\u003c\/strong\u003e fit 2010 or 2011\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits years: \u003cstrong\u003e2012–2013\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDirect bolt-on top end upgrade\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 \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Does this kit include everything needed for the top end?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003eA: Yes. It includes the piston, rings, pin, clips, and a complete Cometic big bore top end gasket kit.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Do I need to run race fuel?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003eA: No. This piston is compatible with pump gas, though race gas can be used for maximum performance.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Are these genuine Wiseco and Cometic parts?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003eA: Yes — all components are brand-new, authentic US-made parts in factory packaging.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \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. BPRATV provides a 1-year limited warranty for peace of mind.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟\u003c\/h3\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e At BPRATV, our promise is unwavering: \u003cstrong\u003eThe Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e Every component we sell is tested, proven, and selected to deliver top-tier reliability and horsepower. Trust BPRATV to keep your \u003cstrong\u003eYamaha YFZ450 (Carbureted)\u003c\/strong\u003e running at its best, \u003cstrong\u003eevery single time.\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:#38761d;font-size:16px;\"\u003e\u003cstrong\u003e\u003cem\u003eUnlock real carbureted YFZ power — order your 98mm Wiseco Big Bore Kit today!\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 1-year limited warranty from the manufacturer for material or workmanship defects.*\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 [e.g., vehicle code §§ 27156 and 38391]. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition\/racing and not used for any recreational purpose or on public highways or right-of-ways maintained by and open to the public. Purchasers who purchase this product represent and warrant that the product is purchased only in connection with EPA-certified, emission-regulation-exempt and noise-regulation-exempt competition\/racing vehicles as interpreted under applicable state and\/or federal law. \u003c\/p\u003e \u003c\/div\u003e \u003c!-- eBay Listing Titles (79-80 Characters Each): YFZ450 98mm Big Bore Wiseco Piston \u0026 Cometic Gasket Kit 2004-2013 BPRATV Yamaha YFZ450 98mm Wiseco Forged Piston + Cometic MLS Gasket Kit 04-13 YFZ450 98mm High Compression Wiseco Piston \u0026 Gasket Kit (Carb Models) BPRATV YFZ450 98mm Big Bore Top End Kit Wiseco Piston \u0026 Cometic Gaskets YFZ450 98mm Wiseco Big Bore Piston Set with Cometic Gaskets 04-09 12-13 YFZ450 Carbureted 98mm Wiseco Piston 12.75:1 \u0026 MLS Gasket Set Yamaha YFZ450 98mm Cylinder Piston Upgrade Kit Wiseco + Cometic 98mm Big Bore Top End Kit YFZ450 Carb Models Wiseco \u0026 Cometic YFZ450 Performance 98mm Wiseco Big Bore Piston Kit by BPRATV Yamaha YFZ450 98mm Piston Kit Wiseco Forged \u0026 Cometic MLS Gaskets Top 10 eBay SEO Keywords: YFZ450 big bore YFZ450 piston kit YFZ450 98mm piston Wiseco YFZ450 Cometic YFZ450 gasket YFZ450 top end kit Carbureted YFZ450 piston 98mm big bore YFZ450 BPRATV YFZ450 kit YFZ450 performance parts Top 10 Search Engine Keywords: YFZ450 98mm piston YFZ450 big bore kit Wiseco forged piston YFZ450 YFZ450 carbureted top end kit YFZ450 12.75:1 piston Cometic gasket YFZ450 Yamaha YFZ450 rebuild kit YFZ450 performance upgrade BPRATV YFZ450 big bore YFZ450 top end rebuild Meta Title: Yamaha YFZ450 (Carb Models) 98mm Wiseco Big Bore Piston \u0026 Cometic Gasket Kit | 2004–2013 Meta Description: Upgrade your carbureted Yamaha YFZ450 with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2004–2009 \u0026 2012–2013. High-compression, race-tested performance from BPRATV. Recommended eBay Product Category: eBay Motors \u003e Parts \u0026 Accessories \u003e ATV, Side-by-Side \u0026 UTV Parts \u003e Engine Components Recommended Secondary Category: Engines \u0026 Components \u003e Pistons, Rings, Connecting Rods Broad Match Keywords: YFZ450 YFZ450 carb YFZ450 piston Big bore kit Wiseco piston Cometic gasket YFZ450 engine rebuild ATV performance parts 98mm top end kit High compression piston BPRATV performance Yamaha sport ATV --\u003e \u003c!-- SHOPIFY SEARCH ENGINE LISTING --\u003e \u003cdiv class=\"shopify-seo\" style=\"display:none;\"\u003e \u003ch4\u003eSearch Engine Listing\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003ePage Title:\u003c\/strong\u003e Yamaha YFZ450 98mm Wiseco Big Bore Piston \u0026amp; Cometic Gasket Kit | 2004–2013\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMeta Description:\u003c\/strong\u003e Upgrade your carbureted Yamaha YFZ450 with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2004–2009 \u0026amp; 2012–2013. High-compression, race-tested performance from BPRATV.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eURL Handle:\u003c\/strong\u003e yamaha-yfz450-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2004-2013\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eProduct ID:\u003c\/strong\u003e BPR-YFZ450CARB-98MM-WISECO\u003c\/p\u003e \u003c\/div\u003e \u003c!-- END SHOPIFY SEARCH ENGINE LISTING --\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":45349700600005,"sku":"257210573591\/13029M09800\/C3068\/JT","price":199.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/13029m09800-c3178-c3279-c3178-est-c3279-est-m1009-yfz450-wiseco_d0c4a67f-7341-477b-bea5-55529506c12e.png?v=1763261021","url":"https:\/\/bpratv.com\/products\/yamaha-yfz450-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2004-2013","provider":"BPRATV","version":"1.0","type":"link"}