This VintCo piston kit is a replacement assembly for vintage Yamaha 250cc two-stroke motorcycles, covering DT2, DT3, DT250, MX250, TY250, YZ250 and IT250 applications. It is supplied with the piston, rings, pin and clips, while the wrist pin bearing is sold separately. Manufactured in Germany using modern materials and manufacturing techniques, it is intended to provide OEM-level fitment and performance for standard-bore rebuilds.

Features

• Replacement piston kit for vintage Yamaha 250cc two-stroke models
• Includes piston, rings, pin and clips
• Wrist pin bearing sold separately
• Intended for OEM-level fitment and performance
• Other size options are available

Specifications

• VintCo Part Number: PSY02-00
• Bore size: 70.0 mm
• Piston size: 69.94 mm
• Clearance: 0.06 mm
• Size: Standard
• Construction: Forged piston
• Coating: MoS2

Cross-Reference OEM Part Numbers

• 2K7-11631-01-96
• 509-11631-01-96

Vehicle Fitments

• 1972 Yamaha DT2
• 1973 Yamaha DT3
• 1973 Yamaha MX250
• 1974 Yamaha TY250
• 1974 Yamaha DT250
• 1974 Yamaha MX250
• 1975 Yamaha MX250
• 1975 Yamaha TY250
• 1975 Yamaha DT250
• 1976 Yamaha YZ250
• 1976 Yamaha TY250
• 1976 Yamaha DT250
• 1977 Yamaha YZ250
• 1977 Yamaha TY250
• 1977 Yamaha DT250
• 1978 Yamaha YZ250
• 1978 Yamaha IT250
• 1978 Yamaha TY250
• 1978 Yamaha DT250
• 1979 Yamaha YZ250
• 1979 Yamaha IT250
• 1979 Yamaha DT250
• 1980 Yamaha IT250