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Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
  • Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5
Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5

Piston Kit 76-78 Yamaha YZ It 400 86.5mm 1.5mm Over Vintco PSY04-1.5

£182.36 GBP
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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