This piston kit is designed for Yamaha YZ490 and WR500 models and includes the piston, rings, pin and clips. It is a forged piston made in Germany with a MoS2 coating for running-in. The kit is supplied for 0.5 mm oversize applications, while the wrist pin bearing is sold separately.

Features

• Piston kit includes rings, pin and clips
• Wrist pin bearing sold separately
• MoS2 coated for running-in

Specifications

• VintCo Part Number: PSY36-0.5
• Product type: Piston kit
• Forged piston
• Made in Germany
• Oversize: 0.5 mm
• Nominal piston size: 87.5 mm
• Piston measurement: 87.42 mm
• Clearance: 0.08 mm

Vehicle Fitments

• 1984 Yamaha YZ490
• 1985 Yamaha YZ490
• 1986 Yamaha YZ490
• 1987 Yamaha YZ490
• 1988 Yamaha YZ490
• 1989 Yamaha YZ490
• 1990 Yamaha YZ490
• 1992 Yamaha WR500
• 1993 Yamaha WR500