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PISTON KIT 80-81 YAMAHA IT YZ 250 71.0mm 1.0mm OVER VINTCO PSY09-1.0

PISTON KIT 80-81 YAMAHA IT YZ 250 71.0mm 1.0mm OVER VINTCO PSY09-1.0

£151.16 GBP
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This VintCo piston kit is a forged replacement piston assembly for Yamaha YZ250 1980-1981 and IT250 1981 models, sized at 71.0 mm and 1.0 mm oversize. Designed for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is manufactured in Germany using modern materials and production methods for OEM-style fit and performance.

Features

  • Complete piston kit includes piston, rings, pin and clips
  • Suitable for vintage 2-stroke engine rebuilds and replacement work
  • Forged piston construction
  • MoS2 coated for break-in
  • Wrist pin bearing sold separately
  • OEM part number reference provided to confirm correct fit
  • Additional size options are available separately

Specifications

  • VintCo Part Number: PSY09-1.0
  • Piston size: 71.0 mm
  • Oversize: +1.0 mm
  • Measured size: 70.94 mm
  • Clearance: 0.06 mm
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • 3R4-11636-00-00

Vehicle Fitments

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