WOSSNER Piston Kit, 66.35 mm, Yamaha, 8217DA

Piston Kit - 66.35 mm - Yamaha

The WOSSNER Piston Kit in a 66.35 mm size is designed for select Yamaha YZ250 and YZ250X applications. Manufacturer part number 8217DA, this piston kit features a permanent skirt coating developed to reduce friction and piston rock, supporting quiet operation and improved performance.

Manufactured from aerospace-grade aluminum alloy, the piston uses optimized machining to reduce weight while maintaining strength in key areas, including the crown and skirt wall cross section. The kit includes the piston, rings, pin and clips.

Vehicle fitment includes the 1999, 2007, 2010, 2019, 2020, 2021 and 2026 Yamaha YZ250, as well as the 2016, 2018 and 2020 Yamaha YZ250X. Distributor part number: 09106641. Manufacturer part number: 8217DA.

Features:

• Brand: WOSSNER
• Product type: Piston kit
• Size: 66.35 mm
• Manufacturer part number: 8217DA
• Permanent skirt coating: Helps reduce friction and piston rock for quiet and improved performance
• Construction: Forged from aerospace-grade aluminum alloy
• Machining: Optimized for lightness while maintaining strength in key crown and skirt wall areas
• Kit contents: Includes piston, rings, pin and clips
• Vehicle fitment: 1999, 2007, 2010, 2019, 2020, 2021 and 2026 Yamaha YZ250; 2016, 2018 and 2020 Yamaha YZ250X

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