This VintCo piston kit is a replacement assembly for Yamaha RD350 and RD400 vintage 2-stroke motorcycles, covering RD350 models from 1973-1975 and RD400 models from 1976-1981. The kit is supplied as one complete piston assembly in 64.5 mm size with +0.5 mm oversize, and includes the piston, rings, pin and clips for service replacement. It is a forged piston made in Germany and finished with an MoS2 coating for running-in.

Features

• Replacement piston kit for vintage 2-stroke Yamaha RD350 and RD400 models
• Supplied as one complete piston assembly
• Includes 1 piston, rings, pin and clips
• MoS2 coated for running-in
• Wrist pin bearing sold separately
• Additional size options available
• Manufactured using modern materials and manufacturing techniques for OEM-type fitment and performance

Specifications

• VintCo Part Number: PSY03-0.5
• Piston size: 64.5 mm
• Oversize: +0.5 mm
• Piston measured size: 64.44 mm
• Clearance: 0.06 mm
• Construction: Forged piston
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• 360-11636-03-00
• 1A1-11636-00-00
• 2V0-11636-01-00

Vehicle Fitments

• 1973 Yamaha RD350
• 1974 Yamaha RD350
• 1975 Yamaha RD350
• 1976 Yamaha RD400
• 1977 Yamaha RD400
• 1978 Yamaha RD400
• 1979 Yamaha RD400
• 1980 Yamaha RD400
• 1981 Yamaha RD400