This VintCo piston kit is designed for Yamaha DT400 models from 1975 to 1978 and Yamaha MX400 models from 1975 to 1976. Intended for vintage 2-stroke engine rebuilds, it is manufactured using modern materials and manufacturing techniques for OEM-comparable fitment and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately. Additional size options are also available.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds
• OEM-comparable fitment and performance
• Forged piston
• MoS2 coated for running-in
• Wrist pin bearing sold separately
• Additional size options available
• Made in Germany

Specifications

• VintCo Part Number: PSY14-1.0
• Piston size: 86.0 mm
• Oversize: +1.0 mm
• Piston measurement: 85.92 mm
• Clearance: 0.08 mm

Vehicle Fitments

• 1975 Yamaha DT400
• 1975 Yamaha MX400
• 1976 Yamaha DT400
• 1976 Yamaha MX400
• 1977 Yamaha DT400
• 1978 Yamaha DT400