WISECO Piston Kit, 97.00 mm, 13.0:1 CR, Yamaha, 40307M09700

Piston Kit - 97.00 mm - 13.0:1 CR - Yamaha

The WISECO Piston Kit is designed for Yamaha applications and features a 97.00 mm piston size with a 13.0:1 compression ratio. Built to tight tolerances, this kit is intended to provide a combination of performance and strength.

The kit includes piston rings, a wrist pin, and circlips. Distributor part number: 09106918. Manufacturer part number: 40307M09700.

Fitment includes the 2023 Yamaha YZ450F; 2023 Yamaha YZ450F Monster Energy Yamaha Racing Edition; 2024 Yamaha YZ450F; 2024 Yamaha YZ450F 50th Anniversary Edition; 2024 Yamaha YZ 450 F Monster Energy; 2024 Yamaha YZ450FX; 2025 Yamaha YZ450F; 2025 Yamaha YZ450F Monster Energy Yamaha Racing Edition; 2025 Yamaha YZ450FX; and 2025 Yamaha WR450F.

Features:

• Brand: WISECO
• Product: Piston Kit
• Piston size: 97.00 mm
• Compression ratio: 13.0:1
• Kit contents: Piston rings, wrist pin, and circlips
• Manufacturer part number: 40307M09700
• Distributor part number: 09106918
• Fitment: Select 2023–2025 Yamaha YZ450F, YZ450FX, WR450F, and specified special editions

Fitment:
2023 Yamaha YZ450F
2023 Yamaha YZ450F Monster Energy Yamaha Racing Edition
2024 Yamaha WR450F
2024 Yamaha YZ 450 F Monster Energy
2024 Yamaha YZ450F
2024 Yamaha YZ450F 50th Anniversary Edition
2024 Yamaha YZ450FX
2025 Yamaha WR450F
2025 Yamaha YZ450F
2025 Yamaha YZ450F Monster Energy Yamaha Racing Edition
2025 Yamaha YZ450FX