PISTON KIT 73-81 YAMAHA RD 350 400 65.5mm OVER VINTCO PSY03-1.5

This VintCo piston kit is a complete replacement piston assembly for vintage Yamaha RD350 and RD400 2-stroke motorcycles. It is supplied with one piston, rings, pin and clips, and is intended for rebuild or replacement work on the listed models. The kit is manufactured using modern production methods for correct fitment and includes a forged piston with an MoS2 coating for running-in. A wrist pin bearing is available separately.

Features

• Complete piston assembly for specified Yamaha RD350 and RD400 models
• Includes 1 piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuild or replacement work
• Wrist pin bearing sold separately

Specifications

• VintCo Part Number: PSY03-1.5
• Piston size: 65.5 mm
• Oversize: +1.5 mm
• Piston clearance: 65.44 mm
• Clearance tolerance: 0.06 mm
• Piston type: Forged
• Coating: MoS2
• Country of manufacture: Germany

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