Wiseco 40255M09700 97.00mm Piston 2020–2023 Yamaha YZ450F/FX WR450F

Wiseco 40255M09700 97.00mm Piston 2020–2023 Yamaha YZ450F/FX WR450F

The Wiseco ArmorGlide® piston kit is engineered to deliver consistent performance and long-term reliability for Yamaha 450cc four-stroke engines. Designed as a 97.00mm Yamaha YZ450F piston with a 13.5:1 compression ratio, this Wiseco piston kit provides improved throttle response and efficient power delivery while maintaining excellent durability. Built to extremely tight tolerances, it ensures precise fitment and dependable operation for both performance riding and routine engine maintenance.

Manufactured using high-quality materials for superior strength and thermal stability, this 97.00mm Yamaha WR450F piston kit is built to withstand demanding riding conditions. Precision machining reduces friction and wear, helping extend engine life while maintaining consistent compression. This Yamaha YZ450FX piston kit is well suited for trail riding, off-road racing, and professional rebuilds where reliability and performance balance are essential.

Key Features

• Precision-machined piston built to tight tolerances for strength and performance
• 13.5:1 compression ratio for improved throttle response and efficiency
• ArmorGlide® skirt coating reduces friction and improves wear resistance
• Designed for consistent sealing and long-term durability
• High-quality materials for thermal stability under demanding conditions
• Includes piston, rings, wrist pin, and circlips

Vehicle Fitment

• 2020–2022 Yamaha YZ450F
• 2021–2023 Yamaha YZ450FX
• 2021–2023 Yamaha WR450F

Frequently Asked Questions

Is this piston compatible with a stock bore?
Yes, this piston is designed to fit a properly serviced stock 97.00mm bore that meets Yamaha specifications.

Does this kit include all required installation components?
Yes, the kit includes piston rings, wrist pin, and circlips for a complete installation.

What type of riding is this piston best suited for?
This piston kit is ideal for trail riding, off-road use, and performance-focused engine maintenance.

Upgrade your Yamaha engine with a precision-built piston kit designed for reliable power delivery, efficient operation, and long service life in demanding riding conditions.

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