Wiseco Yamaha YZ426F 00-02 WR426F 01-02 95mm 12.5:1 Top End Rebuild Kit

These kits contain everything you need to complete your rebuild the right way, the first time. High-quality parts specifically chosen to match the forged pistons are included in this kit for easy one-stop shopping.

Wiseco’s ArmorGlide™? coating eliminates the need to check for different piston sizing, and the only thing to confirm before fitment is bore size.

FEATURES

• Weisco 2-stroke kits feature Pro-Lite™? pistons that are CNC machined for optimal cam shape and profile for peak HP and service life.
• 4-stroke kits feature a ‘race-ready’ dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal.
• 4-stroke race applications feature Wiseco’s ArmorGlide™? skirt coating to provide reduced friction and noise to contribute to increased horsepower.
• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
• High-Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
• Gaskets

2-stroke Kits include:

• Piston, Rings, Pin and Clips
• Complete Top End Gasket Kit
• Little End Bearing

4-Stroke Kits include:

• Piston, Rings, Pin and Clips
• Complete Top End Gasket Ki

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