Wiseco GP Series Top End Kit - PK1704 - 66.40 mm - 2002-2023 Yamaha YZ250, and YZ250X

Upgrade Your Yamaha YZ250 / YZ250X - Wiseco GP Series Top End Kit PK1704

Boost your bike's endurance and performance with the Wiseco GP Series Top End Kit. Order now and experience the difference!

Take your Yamaha YZ250 or YZ250X to the next level with the Wiseco GP Series Top End Kit PK1704. Designed for endurance and sustained RPM 2-stroke riding, this kit provides everything you need for your top end rebuild. With a focus on maximum wear resistance and protection, Wiseco's GP Series pistons feature an Electra-Coated crown, ring grooves, and pin bores, along with ArmorGlide® skirt coating.

Kit Includes:

• Piston(s)
• Ring set
• Wrist pin(s)
• Circlips
• Bearing(s)
• Gaskets

GP Series Features:

• Extra lightening operations for enhanced throttle response
• Engineered, forged, and machined in the USA
• Electra-Coated crown, ring grooves, and pin bores for maximum wear resistance
• ArmorGlide® skirt coating protects against micro-welding, galling, and detonation
• Standard bore 66.40mm
• Designed for endurance and sustained RPM 2-stroke riding

Order Your Wiseco GP Series Top End Kit Today!

Fitment: 

2016-2022    Yamaha    YZ250X 
2002-2022    Yamaha    YZ250

Click to see all the other performance parts for your Yamaha YZ250 / YZ250X