Wiseco PK1820 Yamaha YZ490 1984-1988 88.5mm 2 Stroke Piston Kit

Wiseco Top End Piston Kit (W-PK1820)

Specifications:

• Wiseco top end piston kits are designed to be a one-kit solution to rebuilding the top end of your motorcycle engine.
• Kit contents will vary and may include piston, rings, pins, clips, top end gasket kit & needle bearing where applicable.
• Please see image in description for actual kit contents.

Bike Fitment:

• Yamaha YZ490 1984
• Yamaha YZ490 1985
• Yamaha YZ490 1986
• Yamaha YZ490 1987
• Yamaha YZ490 1988