The WOSSNER Piston Kit in 53.95 mm size is designed for select Yamaha YZ125 and YZ125X applications. Manufactured from aerospace-grade aluminum alloy, the piston is optimized for lightness while maintaining strength in key areas, including the crown and skirt wall cross section.
A permanent skirt coating helps reduce friction and piston rock for quieter operation and improved performance. The kit includes the piston, rings, pin and clips. Distributor part number: 09106855. Manufacturer part number: 8331DA.
Fitment includes the 2022 Yamaha YZ125; 2022 Yamaha YZ125 Monster Energy Yamaha Racing Edition; 2023 Yamaha YZ125; 2023 Yamaha YZ125 Monster Energy Yamaha Racing Edition; 2024 Yamaha YZ125; 2024 Yamaha YZ125X; 2024 Yamaha YZ 125 Monster Energy Racing; 2025 Yamaha YZ125; 2025 Yamaha YZ125 Monster Energy Yamaha Racing Edition; and 2026 Yamaha YZ125X.
Features:
- Size: 53.95 mm
- Material: Forged from aerospace-grade aluminum alloy
- Skirt coating: Permanent coating helps reduce friction and piston rock
- Machining: Optimized for lightness while maintaining strength in key areas
- Kit contents: Includes piston, rings, pin and clips
- Fitment: Select 2022–2026 Yamaha YZ125 and YZ125X applications listed in the product description
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
2026 Yamaha YZ125
2026 Yamaha YZ125X