VintCo PSY16-1.5 is a 48.5 mm (+1.5 mm oversize) piston kit for selected 1973-1982 Yamaha 2-stroke motorcycles, including GT1, GT80, GTMX, LB80, LB80IIA, MX80, TY80 and YZ80 applications. Manufactured using modern materials and production techniques for OEM-style fitment and performance, this kit includes the piston, rings, pin and clips. A wrist pin bearing is available separately, and additional size options are also available.

Features

• Complete piston kit for vintage Yamaha 2-stroke applications
• Includes piston, rings, pin and clips
• Wrist pin bearing sold separately
• Additional size options available

Specifications

• VintCo Part Number: PSY16-1.5
• Piston size: 48.5 mm
• Oversize: +1.5 mm
• Measured diameter: 48.45 mm
• Clearance: 0.05 mm
• Construction: Forged piston
• Coating: MoS2 coated for break-in
• Country of manufacture: Germany

Vehicle Fitments

• 1973 Yamaha GT1
• 1973 Yamaha GTMX
• 1974 Yamaha TY80
• 1974 Yamaha YZ80
• 1974 Yamaha GT80
• 1974 Yamaha GTMX
• 1974 Yamaha GT1
• 1975 Yamaha TY80
• 1975 Yamaha YZ80
• 1975 Yamaha GT80
• 1975 Yamaha GTMX
• 1975 Yamaha GT1
• 1976 Yamaha GT80
• 1976 Yamaha GTMX
• 1976 Yamaha LB80IIA
• 1977 Yamaha GTMX
• 1977 Yamaha LB80
• 1977 Yamaha LB80IIA
• 1978 Yamaha GTMX
• 1978 Yamaha LB80IIA
• 1979 Yamaha GTMX
• 1980 Yamaha MX80
• 1981 Yamaha MX80
• 1982 Yamaha MX80