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Wossner  |  SKU: 56-W4815.00.A.WO
New arrival

PISTON KIT 84-90 YZ490 87MM, FORGED WOSSNER 8317DA

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
£190.88

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Description

Wossner 87.00mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability.

Features

  • Forged construction for enhanced strength and longevity
  • Optimized heat transfer for improved engine performance
  • Elliptical design prevents piston collapse and ensures even load distribution
  • Manufactured in Germany for high-quality standards

Specifications

  • Bore Size: 87.00mm
  • Stroke: 82.00mm
  • Compression Height: 40.00mm
  • Number of Rings: 2
  • Clip Part Number: CW18
  • Pin Size: 18mm
  • Pin Part Number: WP042
  • Cylinders: 1
  • Compatible Needle Bearing: N1022

Cross-Reference OEM Part Numbers

  • Part No: 56-W4815.00.A.WO
  • Wossner Part No: 8317DA

Vehicle Fitments

  • Yamaha YZ490 (1984 - 1990)
  • Yamaha WR500 (1992 - 1993)