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Wossner  |  SKU: 56-W4852.B.WO
New arrival

PISTON KIT 04-09 CRF250 HC 78, WOSSNER 8590DB FORGED

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
£178.92

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Description

Wossner 78.01mm high-compression forged piston kit is designed for enhanced engine performance. 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

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

Specifications

  • Bore Size: 78.01mm
  • Actual Bore Diameter: 77.97mm
  • Displacement: 249 cm³
  • Stroke: 52.20mm
  • Clearance: 0.04mm
  • Wossner Compression Ratio: 13.90:1
  • OEM Compression Ratio: 12.90:1
  • Dome Volume: +0.00 cm³
  • Compression Height: 19.00mm
  • Lock Part Number: CW16
  • Pin Part Number: WP059
  • Ring Set Part Number: 780XAS
  • Rod Part Number: P4001 (2010 - Current)

Cross-Reference OEM Part Numbers

  • Part No: 56-W4852.B.WO
  • Wossner Part No: 8590DB

Vehicle Fitments

  • Honda CRF250R (2004 - 2009)
  • Honda CRF250X (2004 - 2009)