The WISECO Piston Kit is designed for all-purpose 2-stroke riding and features a 58.00 mm piston size. Its dedicated forging design is engineered for strength-to-weight optimization, while extra lightening operations support enhanced throttle response. The piston is engineered, forged, and machined in the USA.
This WISECO piston kit fits the 2022 Yamaha YZ125, 2023 Yamaha YZ125, 2024 Yamaha YZ125, 2025 Yamaha YZ125, 2023 Yamaha YZ125X, 2024 Yamaha YZ125X, 2022 Yamaha YZ125 Monster Energy Yamaha Racing Edition, 2023 Yamaha YZ125 Monster Energy Yamaha Racing Edition, 2024 Yamaha YZ 125 Monster Energy Racing, and 2025 Yamaha YZ125 Monster Energy Yamaha Racing Edition. Distributor part number: 09106914. Manufacturer part number: 899M05800.
Features:
- Brand: WISECO
- Product: Piston Kit
- Size: 58.00 mm
- Application: Designed for all-purpose 2-stroke riding
- Design: Dedicated forging design for strength-to-weight optimization
- Performance: Extra lightening operations for enhanced throttle response
- Construction: Engineered, forged, and machined in the USA
- Fitment: Fits select 2022–2025 Yamaha YZ125, YZ125X, and YZ125 Monster Energy Yamaha Racing Edition models
- Distributor part number: 09106914
- Manufacturer part number: 899M05800
Fitment:
2022 Yamaha YZ125
2022 Yamaha YZ125 Monster Energy Yamaha Racing Edition
2023 Yamaha YZ125
2023 Yamaha YZ125 Monster Energy Yamaha Racing Edition
2023 Yamaha YZ125X
2024 Yamaha YZ 125 Monster Energy Racing
2024 Yamaha YZ125
2024 Yamaha YZ125X
2025 Yamaha YZ125
2025 Yamaha YZ125 Monster Energy Yamaha Racing Edition
2025 Yamaha YZ125X