PISTON KIT 80-81 YAMAHA IT YZ 250 70.0mm STANDARD VINTCO PSY09-00

VintCo PSY09-00 is a standard-bore 70.0 mm piston kit for Yamaha YZ250 models from 1980-1981 and the 1981 Yamaha IT250. Intended for vintage 2-stroke engine rebuilds, this kit includes the piston, rings, pin and clips, and is manufactured using modern materials and production methods for OEM-style fitment and performance.

Features

• Complete piston kit including piston, rings, pin and clips
• Suitable for standard bore applications
• Intended for vintage 2-stroke engine rebuilds
• Wrist pin bearing available separately
• Manufactured in Germany

Specifications

• VintCo Part Number: PSY09-00
• Bore Size: 70.0 mm
• Size: Standard
• Piston Type: Forged
• Coating: MoS2 break-in coating
• Piston Diameter: 69.94 mm
• Clearance: 0.06 mm

Cross-Reference OEM Part Numbers

• 3R4-11636-00-00

Vehicle Fitments

• 1980 Yamaha YZ250
• 1981 Yamaha YZ250
• 1981 Yamaha IT250