WOSSNER 8216DB piston kit with a 66.36 mm piston size, designed for specified Yamaha YZ250 and YZ250X applications. The piston is forged from aerospace-grade aluminum alloy and features optimized machining for reduced weight 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 quiet operation and improved performance. The kit includes the piston, rings, pin and clips.
Distributor part number: 09104878. Manufacturer part number: 8216DB. Vehicle fitment includes 2006 Yamaha YZ250, 2011 Yamaha YZ250, 2017 Yamaha YZ250, 2018 Yamaha YZ250, 2024 Yamaha YZ250, 2019 Yamaha YZ250X, 2022 Yamaha YZ250X, 2023 Yamaha YZ250X, 2025 Yamaha YZ250X and 2017 Yamaha YZ250X.
Features:
- Permanent skirt coating: Helps reduce friction and piston rock for quiet and improved performance.
- Forged aerospace-grade aluminum alloy: Provides the piston material described by WOSSNER.
- Optimized machining: Reduces weight while maintaining strength in key crown and skirt wall areas.
- Piston kit contents: Includes piston, rings, pin and clips.
- Size: 66.36 mm piston size.
- Fitment: Fits specified 2006, 2011, 2017, 2018 and 2024 Yamaha YZ250 models, and specified 2017, 2019, 2022, 2023 and 2025 Yamaha YZ250X models.
- Part numbers: Distributor part number 09104878; manufacturer part number 8216DB.
Fitment:
1999 Yamaha YZ250
2000 Yamaha YZ250
2001 Yamaha YZ250
2002 Yamaha YZ250
2003 Yamaha YZ250
2004 Yamaha YZ250
2005 Yamaha YZ250
2006 Yamaha YZ250
2007 Yamaha YZ250
2008 Yamaha YZ250
2009 Yamaha YZ250
2010 Yamaha YZ250
2011 Yamaha YZ250
2012 Yamaha YZ250
2013 Yamaha YZ250
2014 Yamaha YZ250
2015 Yamaha YZ250
2016 Yamaha YZ250
2016 Yamaha YZ250X
2017 Yamaha YZ250
2017 Yamaha YZ250X
2018 Yamaha YZ250
2018 Yamaha YZ250X
2019 Yamaha YZ250
2019 Yamaha YZ250X
2020 Yamaha YZ250
2020 Yamaha YZ250X
2021 Yamaha YZ250
2021 Yamaha YZ250X
2022 Yamaha YZ250
2022 Yamaha YZ250X
2023 Yamaha YZ250
2023 Yamaha YZ250X
2024 Yamaha YZ250
2024 Yamaha YZ250X
2025 Yamaha YZ250
2025 Yamaha YZ250X
2026 Yamaha YZ250
2026 Yamaha YZ250X