WOSSNER Piston Kit, 66.37 mm, Yamaha, 8216DC

Piston Kit - 66.37 mm - Yamaha

The WOSSNER Piston Kit is designed for select Yamaha YZ250 and YZ250X applications. This kit features a 66.37 mm piston forged from aerospace-grade aluminum alloy, combining lightweight construction with maintained strength in key areas such as the crown and skirt wall cross section.

A permanent skirt coating helps reduce friction and piston rock for quiet operation and improved performance. Optimized machining further reduces weight while preserving strength. The kit includes the piston, rings, pin and clips.

Vehicle fitment includes the 2006, 2007, 2010, 2011, 2017 and 2020 Yamaha YZ250, along with the 2016, 2018, 2019 and 2022 Yamaha YZ250X. The manufacturer part number is 8216DC. A distributor part number was not provided.

Features:

• Brand: WOSSNER
• Product type: Piston kit
• Size: 66.37 mm
• Construction: Forged from aerospace-grade aluminum alloy
• Skirt coating: Permanent coating designed to reduce friction and piston rock
• Machining: Optimized for lightness while maintaining strength in key areas
• Included components: Piston, rings, pin and clips
• Fitment: 2006, 2007, 2010, 2011, 2017 and 2020 Yamaha YZ250; 2016, 2018, 2019 and 2022 Yamaha YZ250X
• Manufacturer part number: 8216DC

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