This VintCo piston kit is designed for 1973-1975 Yamaha 350R5 models and suits vintage 2-stroke engine rebuilds requiring a 66.0 mm piston at +2.0 mm oversize. It is supplied as one complete piston assembly and includes the piston, rings, pin and clips. The kit is produced using modern materials and manufacturing techniques to provide OEM-level fitment and performance, with additional size options available and a wrist pin bearing sold separately.

Features

• Complete piston assembly for Yamaha 350R5 models
• Includes 1 piston, rings, pin and clips
• Intended for vintage 2-stroke engine rebuilds
• Produced using modern materials and manufacturing techniques
• OEM-level fitment and performance
• MoS2 coated for running-in
• Wrist pin bearing sold separately
• Other size options available

Specifications

• VintCo Part Number: PSY13-2.0
• Piston diameter: 66.0 mm
• Oversize: +2.0 mm
• Piston type: Forged
• Piston size: 65.93 mm
• Clearance: 0.07 mm
• Country of manufacture: Germany

Vehicle Fitments

• 1973 Yamaha 350R5
• 1974 Yamaha 350R5
• 1975 Yamaha 350R5