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Wossner  |  SKU: 56-W234+100.WO
New arrival

PISTON KIT 76-79 YZ250 71.00, FORGED WOSSNER 8179D100

Available from Supplier — dispatched directly

This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.

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Regular price
£155.99

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Description

Wossner forged piston kit with a 71.00mm bore and 70.94mm diameter, designed for Yamaha models. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

  • Forged construction for superior strength
  • Optimized heat transfer for efficient combustion
  • Elliptical design for uniform load distribution
  • Manufactured in Germany

Specifications

  • Bore: 71.00mm
  • Diameter: 70.94mm
  • Display (cm³): 246
  • Stroke (mm): 64.00
  • Clearance (mm): 0.06
  • Compression Ratio: 2-Stroke
  • Compression Height (mm): 33.00

Cross-Reference OEM Part Numbers

  • Wossner Piston Yamaha YZ250 (PN# 8179D100)
  • Lock P/N: CW18
  • Pin P/N: WP033
  • Ring Set P/N: RSB7100 x 2

Vehicle Fitments

  • Yamaha YZ250 (1976-1979)
  • Yamaha IT250 (1978-1980)
  • Yamaha TY250 (1974-1978)
  • Yamaha MC250 (1973-1975)
  • Yamaha DT250 (1974-1979)