{"product_id":"yamaha-yfz450-yfz-450r-yfz450x-wiseco-piston-kit-oem-95mm-4-stroke-forged-series","title":"Yamaha YFZ450 YFZ 450R YFZ450X Wiseco Piston Kit OEM 95mm 4 Stroke Forged Series","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.001px; color: transparent;\"\u003e4865M09500,4835M09500,M1000,M1100,284685,8784DA,5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00,  93450-22027-00,3741XS, S641, CW20\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💥 YFZ450 YFZ450R Wiseco STD Bore 95mm Top End Piston Kit Forged USA 💥\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🚀 Rebuild for Domination: Unleash True Power in Your Yamaha YFZ450!\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eIs your Yamaha YFZ450, YFZ450R, or YFZ450X craving a performance boost? A fresh top end rebuild with a premium piston is key to restoring lost compression and unleashing maximum power! This \u003cstrong\u003eWiseco Forged Piston Kit (Part# 4865M09500)\u003c\/strong\u003e is meticulously engineered for the ultimate combination of strength and performance, standing at the forefront of powersports technology. Don't settle for less; empower your ATV with a piston designed for rigorous demands, ensuring every ride is packed with responsiveness and reliability. Riders trust Wiseco for its proven track record at every level of competition. Upgrade today and experience the dramatic difference in your YFZ450's power and durability!\u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✨ Unrivaled Strength: Forged 2618 Material \u0026amp; Skirt Coated for Longevity!\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eExperience the legendary durability of Wiseco's \u003cstrong\u003e4-Stroke Forged Series Piston Kit\u003c\/strong\u003e. Crafted from high-grade \u003cstrong\u003e2618 piston material\u003c\/strong\u003e, this piston features improved tensile strength, optimizing both strength and service life under extreme conditions. The dedicated forging allows for an optimized strength-to-weight ratio, crucial for high-revving 4-stroke engines. Each piston is designed for specific engine applications and built to the tightest tolerances, featuring a specialized \u003cstrong\u003eskirt coating\u003c\/strong\u003e to reduce friction and improve wear properties. This kit includes everything you need for a robust rebuild: the piston, \u003cstrong\u003eRing Set (#3741XS), Wrist Pin (#S641), and Circlips (#CW20)\u003c\/strong\u003e. Engineered, forged, and machined right here in the \u003cstrong\u003eUSA (Mentor, OH)\u003c\/strong\u003e, Wiseco delivers the power and reliability you demand!\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eWiseco Forged 4-Stroke Series Piston Kit\u003c\/strong\u003e (95.00mm Bore, STD Oversize).\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eCrafted from high-strength \u003cstrong\u003e2618 Piston Material\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFeatures advanced \u003cstrong\u003eSkirt Coating\u003c\/strong\u003e for reduced friction and wear.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eIncludes Piston, Ring Set #3741XS, Wrist Pin #S641, and Circlips #CW20.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eEngineered, forged, and machined in the \u003cstrong\u003eUSA\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Perfect Fit \u0026amp; Comprehensive Kit: Fits Yamaha YFZ450 \/ R \/ X All Years!\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eThis \u003cstrong\u003eWiseco STD Bore 95.00mm Top End Piston Kit\u003c\/strong\u003e ensures a precise fit for your Yamaha. It's compatible with \u003cstrong\u003eYamaha YFZ450, YFZ450R, and YFZ450X - All Years \u0026amp; Models!\u003c\/strong\u003e This kit (Wiseco Part# \u003cstrong\u003e4865M09500\u003c\/strong\u003e) directly replaces multiple Yamaha OEM Part#: \u003cstrong\u003e5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00, 93450-22027-00\u003c\/strong\u003e, ensuring seamless integration into your engine rebuild. While the nominal compression ratio is \u003cstrong\u003e11.4:1\u003c\/strong\u003e, please note that actual compression may vary slightly based on your specific model, year, and build type. For precise calculations, we recommend utilizing the compression calculator available on Wiseco's official website. This comprehensive kit provides all key components for a reliable and powerful top end rebuild!\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eFits \u003cstrong\u003eYamaha YFZ450, YFZ450R, YFZ450X - All Years \u0026amp; Models!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eWiseco Part# \u003cstrong\u003e4865M09500\u003c\/strong\u003e. GTIN: \u003cstrong\u003e193564126078\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eDirectly replaces Yamaha OEM Part# \u003cstrong\u003e5TG-11631-11-00\u003c\/strong\u003e and others.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eNominal Compression Ratio: \u003cstrong\u003e11.4:1\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003ePiston Diameter: \u003cstrong\u003e94.94 MM\u003c\/strong\u003e, Bore Diameter: \u003cstrong\u003e95.00 MM\u003c\/strong\u003e.\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: Why should I choose a Wiseco forged piston for my YFZ450?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003eA: Wiseco forged pistons are engineered from high-strength 2618 aluminum, offering superior durability, strength, and service life compared to cast pistons. Their dedicated forging process allows for an optimized strength-to-weight ratio, making them ideal for high-performance 4-stroke engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is this piston kit compatible with all Yamaha YFZ450 models and years?\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 Wiseco piston kit (Part# 4865M09500) is designed to fit all years and models of the Yamaha YFZ450, YFZ450R, and YFZ450X, making it a versatile choice for your rebuild.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: What is included in this Wiseco Top End Piston 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 kit includes the Wiseco forged piston, a high-quality ring set (#3741XS), wrist pin (#S641), and circlips (#CW20), providing all necessary components for a comprehensive piston replacement.\u003c\/span\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🌟 Why Choose BPRATV? Your Go-To for Yamaha YFZ450 Performance Parts!\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 Wiseco Forged Piston Kit for your Yamaha YFZ450 exemplifies our dedication to providing high-quality, essential components that guarantee your machine's longevity and peak performance. We share your passion for riding and are committed to ensuring your Yamaha runs flawlessly, whether you're racing or hitting the trails. Trust BPRATV to deliver the parts you need to keep your YFZ450 performing 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 YFZ450's heart today \u0026amp; dominate the competition! 🏁\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: 0.001px; color: transparent;\"\u003e4865M09500,4835M09500,M1000,M1100,284685,8784DA,5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00,  93450-22027-00,3741XS, S641, CW20\u003c\/span\u003e\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44882623692997,"sku":"4865M09500\/JT\/286691189139","price":186.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/yamaha-yfz450-wiseco-std-bore-95mm-top-end-piston-kit-4865m09500-bpratv-2_80c7cc4b-6e61-4d74-b6e3-a7acd71f0995.png?v=1751761650","url":"https:\/\/bpratv.com\/products\/yamaha-yfz450-yfz-450r-yfz450x-wiseco-piston-kit-oem-95mm-4-stroke-forged-series","provider":"BPRATV","version":"1.0","type":"link"}