VintCo piston kit for Yamaha YZ490 and WR500 models, covering 1984-1990 YZ490 and 1992-1993 WR500 applications. This forged piston kit is made in Germany and is supplied with rings, pin and clips; the wrist pin bearing is sold separately.

Features

• Supplied with rings, pin and clips
• Wrist pin bearing sold separately
• Forged piston
• Made in Germany
• MoS2 coated to aid initial running-in

Specifications

• VintCo Part Number: PSY36-1.0
• Piston size: 88 mm
• Oversize: 1.0 mm over
• Piston measurement: 87.92 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