VERTEX Piston Kit, 66.34 mm, Yamaha YZ250/X, 22584A

Piston Kit - 66.34 mm - Yamaha YZ250/X

The VERTEX Piston Kit is a cast OE replacement piston designed for specified Yamaha YZ250 and YZ250X applications. This 66.34 mm kit features a gravity-cast aluminum alloy construction with 18% silicone content.

The piston is heat treated using a T-5 hardening and tempering cycle. Its skirt is coated with molybdenum disulfide to support faster break-in time and increased piston life. The kit includes the piston, rings, wrist pin and circlips.

Distributor part number: 09102542. Manufacturer part number: 22584A. Fits 1999, 2000, 2003, 2004, 2009, 2015, 2019, 2021 and 2022 Yamaha YZ250 models, as well as the 2021 Yamaha YZ250X.

Features:

• Construction: Gravity-cast aluminum alloy with 18% silicone content
• Treatment: Heat treated with a T-5 hardening and tempering cycle
• Skirt coating: Molybdenum disulfide coating supports faster break-in time and increased piston life
• Replacement type: Cast OE replacement piston
• Kit contents: Includes piston, rings, wrist pin and circlips
• Size: 66.34 mm
• Fitment: Fits specified 1999, 2000, 2003, 2004, 2009, 2015, 2019, 2021 and 2022 Yamaha YZ250 models, plus the 2021 Yamaha YZ250X
• Distributor part number: 09102542
• Manufacturer part number: 22584A

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