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PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
  • PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5
PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5

PISTON KIT 80-81 YAMAHA IT YZ 250 70.5mm 0.5mm OVER VINTCO PSY09-0.5

£151.16 GBP
Taxes included. Shipping calculated at checkout.

This VintCo piston kit is a replacement assembly for Yamaha YZ250 1980-1981 and IT250 1981 models, intended for vintage 2-stroke engine rebuilds. Manufactured using modern materials and production methods, it is designed to provide OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, with a wrist pin bearing available separately, and is supplied in a 70.5 mm size with +0.5 mm oversize.

Features

  • Complete piston kit with piston, rings, pin and clips
  • Suitable for vintage Yamaha 2-stroke engine rebuilds
  • Designed for OEM-equivalent fitment and performance
  • Wrist pin bearing sold separately
  • Supports running-in
  • Additional size options are available

Specifications

  • VintCo Part Number: PSY09-0.5
  • Piston diameter: 70.5 mm
  • Oversize: +0.5 mm
  • Piston measurement: 70.44 mm
  • Clearance: 0.06 mm
  • Construction: Forged piston
  • Coating: MOS2
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • 3R4-11636-00-00

Vehicle Fitments

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