YFZ450 YFZ 450 Wiseco 12.4:1 Piston 95mm Stock Bore Cylinder Top End Rebuild Kit

🔥 Yamaha YFZ450 Wiseco 12.4:1 95mm Stock Bore Top End Rebuild Kit 🔥

💪 Add Amazing & Reliable Power with Wiseco & Cometic Quality

Revive your Yamaha YFZ450 Carb Models (2004–2009, 2012–2013) with this Complete Top End Rebuild Kit. Featuring a Wiseco 12.4:1 forged piston, BPRATV Nikasil-plated cylinder, and Cometic gaskets, this package is built to deliver crisp throttle response, long-lasting durability, and race-ready performance. Includes everything you need for a professional-grade rebuild — all brand new, with warranty support.

⚡ Premium Components for Maximum Performance

This all-in-one rebuild kit includes only the highest quality components from the most trusted names in the industry, ensuring your YFZ450 runs stronger and longer. Forget piecing together parts — this kit is designed to save you time and guarantee results.

• 🏆 95mm BPRATV Nikasil Plated Cylinder – Stock bore, 1-year warranty.
• 🔥 Wiseco 12.4:1 Piston Kit – Includes piston, rings, pin & clips.
• 🛡️ Cometic Complete Top End Gasket Kit – Industry-leading sealing performance.
• 🔴 Kibblewhite Red Viton Valve Stem Seals – Set of 5 for superior oil control.
• ⚡ NGK Iridium Spark Plug – High-performance ignition every time.

✅ Perfect Fit for Yamaha YFZ450 Carbureted Models

Designed for direct bolt-on installation, this kit is compatible with stock stroke YFZ450 engines. No machining required — just reliable performance and lasting durability. Replaces OEM parts with precision-engineered upgrades you can trust.

• Fits Yamaha YFZ450 Carb Models – 2004–2009, 2012–2013.
• Direct OEM replacement – no modifications needed.
• 12.4:1 compression ratio – runs on pump or race gas.
• Built for racing or trail reliability.
• All components brand new, warranty included.

❓ Frequently Asked Questions (FAQ)

• Q: Will this fit fuel-injected YFZ450R models?

  No – this kit is for carbureted YFZ450 models only (2004–2009, 2012–2013).

• Q: Do I need machining to install this?

  No – the kit is designed for a direct bolt-on installation without machining.

• Q: What fuel should I use with the 12.4:1 piston?

  This piston is pump-gas friendly but also works great with race fuel for maximum performance.

• Q: Are all parts new and covered by warranty?

  Yes – everything is brand new in original packaging and backed by manufacturer warranties.

🌟 Why Buy from BPRATV? Your YFZ450 Performance Experts 🌟

At BPRATV, we live by our motto: The Best Parts. The Best Performance. The Best Price. This Wiseco Top End Kit delivers unbeatable performance and durability while saving you money compared to OEM. Whether you race, trail ride, or just want to restore factory-level power, this kit is your best option.

Upgrade your YFZ450 today with Wiseco reliability and power! 🏁

BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

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