{"product_id":"yfz450r-yfz450x-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2009-2025","title":"YFZ450R YFZ 450R 98mm 98 CUSTOM Forged Wiseco Piston +3 Big Bore MLS Gasket Kit","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.001pt; color: transparent;\"\u003eUpgrade your Yamaha YFZ450R or YFZ450X with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2009–2025. High-compression, race-tested performance from BPRATV. , 247957, 284685, 8784DA, 22984B, 325025, 3858XS, M1110-BP, M1146,, 13029M09800, M1009, M1085, 222086, 325024, 4865M09500, 4929M09500, 09800, M1009, M1085, 222086, 325024, 4865M09500, 4929M09500, 2217, 221796, M1000, M1002, M1100, M1145, RE819M09500, 4835M09500, Ring Set #3858XS, Wrist Pin #S641, CirClip #CW20,20001, 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 20001 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 8630DA, 8562DA, M1010,4865M09500,4835M09500,C7908,C3178,5TG-11631-12-00, M1000, C7908, H2477027S, 2S2-11181-00-00 2S2-11181-00--00 2S2-11351-00-00 3VD-14613-0100, 99999-03528-00, 5TG-11631-12-00, 2S2-11181-00-00, 2S2-11351-00-00, 3VD-14613-01-00, 99999-03528-00, 5TG-11631-12-00, M1000, C7908, H2477027S, 2S2-11181-00-00, M1000, 4865M09500, M1100, 247956, 8784DA, 4835M09500\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\u003eYFZ450R \/ YFZ450X 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 YFZ450R \/ YFZ450X 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 huge 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 for superior sealing\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 fuel-injected sport ATV models. Perfect fitment, no guesswork, no mix-and-match issues.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha \u003cstrong\u003eYFZ450R\u003c\/strong\u003e (Fuel Injected)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eYamaha \u003cstrong\u003eYFZ450X\u003c\/strong\u003e (Fuel Injected)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eExact Years: \u003cstrong\u003e2009–2025\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 \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eUses pump gas or race fuel\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 YFZ450R \/ YFZ450X\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\u003eBoost your power today — get your 98mm Wiseco Big Bore Kit now!\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): YFZ450R 98mm Big Bore Wiseco Piston \u0026 Cometic Gasket Kit 2009-2025 BPRATV YFZ450X YFZ450R 98mm Wiseco Piston 12.75:1 Big Bore Kit w\/ Cometic Gaskets Yamaha YFZ450R 98mm Wiseco Big Bore Piston \u0026 MLS Gasket Kit 09-25 BPRATV Wiseco 98mm Big Bore Piston + Cometic Gasket Kit YFZ450R\/X 2009-2025 BPRATV YFZ450R YFZ450X 98mm Top End Kit Wiseco Forged Piston \u0026 Gaskets YFZ450R 98mm Piston Kit Wiseco Forged \u0026 Cometic MLS Gaskets 2009-2025 Yamaha YFZ450R Big Bore 98mm Wiseco Piston Set with Cometic Kit BPRATV YFZ450X 98mm Wiseco High Compression Piston \u0026 Cometic Gaskets Big Bore YFZ450R 98mm Cylinder Piston Upgrade Kit Wiseco + Cometic Gaskets 98mm Big Bore Top End Kit YFZ450R\/X Wiseco Piston Cometic Gasket Set Top 10 eBay SEO Keywords: YFZ450R big bore YFZ450X big bore Wiseco 98mm piston YFZ450R piston kit Cometic MLS gasket Yamaha YFZ450R top end YFZ450X forged piston 98mm big bore rebuild YFZ450R performance parts BPRATV YFZ450R kit Top 10 Search Engine Keywords: YFZ450R 98mm piston YFZ450X 98mm big bore Wiseco forged piston kit YFZ450R top end upgrade YFZ450R big bore rebuild kit Cometic gasket YFZ450R Yamaha sport ATV piston kit YFZ450R 12.75:1 piston BPRATV performance ATV parts YFZ450R engine rebuild kit Meta Title: YFZ450R \/ YFZ450X 98mm Wiseco Big Bore Piston \u0026 Cometic Gasket Kit | 2009-2025 Meta Description: Upgrade your Yamaha YFZ450R or YFZ450X with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2009–2025. High-compression, race-tested performance from BPRATV. Recommended eBay Product Category: eBay Motors \u003e Parts \u0026 Accessorie --\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 YFZ450R \/ YFZ450X 98mm Wiseco Big Bore Piston \u0026amp; Cometic Gasket Kit | 2009-2025\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMeta Description:\u003c\/strong\u003e Upgrade your Yamaha YFZ450R or YFZ450X with a USA-made 98mm Wiseco forged piston and Cometic MLS gasket kit. Fits 2009–2025. High-compression, race-tested performance from BPRATV.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eURL Handle:\u003c\/strong\u003e yfz450r-yfz450x-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2009-2025\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eProduct ID:\u003c\/strong\u003e BPR-YFZ450R-98MM-WISECO\u003c\/p\u003e \u003c\/div\u003e \u003c!-- END SHOPIFY SEARCH ENGINE LISTING --\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":45348206706885,"sku":"286942237538\/13029M09800\/C3178\/JT","price":199.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/284471511045-0_55b5ec70-242a-44ca-90b2-1ae749c0afe6.jpg?v=1763236275","url":"https:\/\/bpratv.com\/products\/yfz450r-yfz450x-98mm-wiseco-big-bore-piston-cometic-gasket-kit-2009-2025","provider":"BPRATV","version":"1.0","type":"link"}