Standard 87 mm piston kit for 1984-1990 Yamaha YZ490 and 1992-1993 Yamaha WR500 models. The kit includes rings, pin and clips, while the wrist pin bearing is sold separately. This forged piston is made in Germany and features a MoS2 coating to assist with break-in.

Features

• Supplied with rings, pin and clips
• Wrist pin bearing sold separately
• Standard size replacement
• Coated to assist with break-in
• Made in Germany

Specifications

• VintCo Part Number: PSY36-00
• Piston size: 87 mm
• Size designation: Standard
• Measured piston size: 86.92 mm
• Recommended clearance: 0.08 mm
• Piston construction: Forged
• Coating: MoS2

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