{"product_id":"yamaha-350-big-bore-top-end-kit-je-forged-85mm-piston-cometic-gasket-set-222085","title":"Yamaha 350 Big Bore Top End Kit JE Forged 85mm Piston +Cometic Gasket Set 222085","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000001px; color: transparent;\"\u003e222085, C3159-EST, C3159, 209292, 4419M08300, 4419M08400, C7096, 191070040215, 193564125361, 20-9291, 23103100, M1012, 40109M08300, 8605DB, NA-40005, 5UH-11638-00-00, 5UH-11636-00-00, 5UH-11631-00-C0, 1YW-11638-01-00, 1YW-11636-01-00, 1YW-11631-01-Y0, 1UY-11638-01-00, 1UY-11636-01-00, 1UY-11631-01-Y0, 01.2487.000, 93210-86509-00, 93210-44545-00, 93210-18322-00, H0067027S, H0067043F, B0068020F\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 Raptor \/ Warrior 350 Big Bore Top End Kit 85mm JE Piston + Cometic Gaskets 🔥\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e💪 Premium Forged Performance – Built to Dominate\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eUpgrade your \u003cstrong\u003eYamaha Raptor 350, Warrior 350, Grizzly 350, Bruin 350, Wolverine 350, and Big Bear 350\u003c\/strong\u003e with this complete \u003cstrong\u003eJE Forged Big Bore 85mm Top End Kit\u003c\/strong\u003e. Featuring a high-compression piston, Cometic gaskets, and Viton valve stem seals, this kit delivers \u003cstrong\u003eunmatched power, strength, and reliability\u003c\/strong\u003e for trail riding, racing, or everyday use.\u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e⚡ What’s Included in This Kit\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eEverything you need for a proven performance rebuild is included:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e🏁 \u003cstrong\u003eJE Forged Piston Kit\u003c\/strong\u003e – 85mm bore, 10.5:1 compression.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e🔧 \u003cstrong\u003eCometic Top End Gasket Kit\u003c\/strong\u003e – precision sealing technology.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e🔥 \u003cstrong\u003eViton Valve Stem Seals\u003c\/strong\u003e – high temp durability under racing conditions.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e🇺🇸 \u003cstrong\u003e100% Made in USA\u003c\/strong\u003e – engineered, forged, and machined for performance.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e✅ Direct OEM replacement – replaces Yamaha OEM part numbers listed below.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Perfect Fit \u0026amp; OEM Replacement\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eThis kit is designed to \u003cstrong\u003edirectly replace Yamaha part numbers\u003c\/strong\u003e: 5UH-11638-00-00, 5UH-11636-00-00, 5UH-11631-00-C0, 1YW-11638-01-00, 1YW-11636-01-00, 1YW-11631-01-Y0, 1UY-11638-01-00, 1UY-11636-01-00, 1UY-11631-01-Y0, 4KB-11351-00-00, 3GD-11351-00-00, 1UY-11181-01-00, 1UY-11181-00-00. Engineered with JE’s \u003cstrong\u003eForged Side Relief (FSR) design\u003c\/strong\u003e, this piston minimizes friction, improves rev response, and maximizes power delivery.\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha Raptor 350\u003c\/strong\u003e (2004–2013).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha Warrior 350\u003c\/strong\u003e (1987–2004).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha Grizzly 350\u003c\/strong\u003e (2007–2014).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha Bruin 350\u003c\/strong\u003e (2004–2006).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha Wolverine 350 \/ Big Bear 350 \/ Moto 4 350\u003c\/strong\u003e (multiple years).\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 piston forged or cast?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eThis is a \u003cstrong\u003eJE Forged Piston\u003c\/strong\u003e, engineered from 2618 aluminum for racing strength and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Does this kit include everything 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;\"\u003eYes – it includes the piston kit, Cometic gaskets, and Viton valve seals for a complete top end rebuild.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Will this work with stock OEM cylinders?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eYes – this piston will fit any 85mm OEM and aftermarket big bore cylinders.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Where is this piston made?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eIt is \u003cstrong\u003e100% Made in the USA\u003c\/strong\u003e, backed by JE’s manufacturer warranty.\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 Yamaha 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 Yamaha Raptor \/ Warrior 350 JE Piston \u0026amp; Cometic Gasket Kit exemplifies our dedication to providing high-quality, essential components that guarantee your machine's longevity and peak performance. Trust BPRATV to deliver the parts you need to keep your Yamaha running flawlessly, whether for racing, trail riding, or everyday use.\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 350 today – ride harder, faster, longer! 🏁\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;\"\u003e222085, C3159-EST, C3159, 209292, 4419M08300, 4419M08400, C7096, 191070040215, 193564125361, 20-9291, 23103100, M1012, 40109M08300, 8605DB, NA-40005, 5UH-11638-00-00, 5UH-11636-00-00, 5UH-11631-00-C0, 1YW-11638-01-00, 1YW-11636-01-00, 1YW-11631-01-Y0, 1UY-11638-01-00, 1UY-11636-01-00, 1UY-11631-01-Y0, 01.2487.000, 93210-86509-00, 93210-44545-00, 93210-18322-00, H0067027S, H0067043F, B0068020F, Yamaha Raptor Warrior 350 Big Bore 85mm JE Piston Top End Kit Cometic Gaskets 85mm JE Forged Piston Top End Kit Yamaha Raptor 350 Warrior 350 + Gaskets Yamaha Warrior Raptor Grizzly 350 85mm Big Bore Top End Kit JE Piston Cometic JE 85mm Forged Piston Top End Kit Yamaha Warrior 350 Raptor 350 Grizzly 350 Yamaha 350 Big Bore Top End Kit JE Forged 85mm Piston + Cometic Gasket Set Recommended eBay Categories Primary: eBay Motors \u0026gt; Parts \u0026amp; Accessories \u0026gt; ATV, Side-by-Side \u0026amp; UTV Parts \u0026gt; Engines \u0026amp; Components (Category ID: 43977) Secondary: eBay Motors \u0026gt; Parts \u0026amp; Accessories \u0026gt; Motorcycle Parts \u0026gt; Engines \u0026amp; Engine Parts \u0026gt; Pistons, Rings \u0026amp; Piston Kits (Category ID: 10063) Broad Match Keywords Yamaha Raptor 350 piston kit Yamaha Warrior 350 top end kit JE Forged piston Yamaha 350 Yamaha Grizzly 350 big bore kit Cometic gasket kit Yamaha ATV Yamaha Wolverine 350 piston kit Big Bear 350 piston and gaskets Yamaha 350 top end rebuild kit JE piston Cometic gasket combo YFM350 Warrior big bore piston Yamaha 350 ATV top end upgrade Raptor Warrior 350 forged piston Meta Title Yamaha Raptor \/ Warrior 350 Big Bore Top End Kit 85mm JE Forged Piston + Cometic Meta Description Upgrade your Yamaha Raptor, Warrior, Grizzly, Bruin, or Wolverine 350 with this 85mm JE Forged Piston \u0026amp; Cometic Gasket Kit. Complete top end rebuild kit with Viton seals. Made in the USA. \u003c\/span\u003e\u003c\/p\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":45052501491909,"sku":"286790195823\/222085\/C3159\/JT","price":288.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/yamaha-raptor-warrior-350-big-bore-top-end-kit-85mm-je-piston-cometic-gaskets.png?v=1756425928","url":"https:\/\/bpratv.com\/products\/yamaha-350-big-bore-top-end-kit-je-forged-85mm-piston-cometic-gasket-set-222085","provider":"BPRATV","version":"1.0","type":"link"}