PISTON KIT 76-78 YAMAHA YZ IT 400 86.5mm 1.5mm OVER VINTCO PSY04-1.5

VintCo piston kit PSY04-1.5 is a forged replacement kit for 1976-1978 Yamaha YZ400 and 1976 Yamaha IT400 models. Manufactured in Germany for vintage 2-stroke motorcycles, it uses modern materials and production methods and is designed for OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, with OEM part number references used for fitment verification.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds
• MoS2 coating to assist running-in
• Wrist pin bearing available separately
• Additional size options available

Specifications

• VintCo Part Number: PSY04-1.5
• Piston type: Forged
• Piston size: 86.5 mm
• Oversize: +1.5 mm
• Piston measurement: 86.42 mm
• Clearance: 0.08 mm

Vehicle Fitments

• 1976 Yamaha YZ400
• 1976 Yamaha IT400
• 1977 Yamaha YZ400
• 1978 Yamaha YZ400