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

£194.27
1

Wossner 78.01mm high-compression forged piston kit engineered for enhanced engine performance. The piston features an elliptical design for uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Optimized heat transfer ensures efficient cooling of the combustion chamber. Manufactured in Germany for precision and reliability. Features include high-compression design, forged construction for strength and longevity, optimized heat transfer, and elliptical design. 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. Cross-reference OEM Part Numbers: 56-W4852.B.WO. Wossner Part No: 8590DB. Weight 240g.

Specifications
SKU
56-W4852.B.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
78mm
Variant Id
256272
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 78.01mm High-Compression Forged Piston Kit

Enhance your engine's performance with this Wossner high-compression forged piston kit. Engineered for optimal heat transfer, this piston ensures efficient cooling of the combustion chamber. Its unique elliptical design promotes uniform bearing surface, minimizing localized pressure and distributing thrust loads evenly to prevent piston collapse. Precision manufactured in Germany for superior quality and reliability.

Key Features:

  • High-compression design for increased engine power
  • Forged construction for superior strength and durability
  • Optimized heat transfer for effective cooling
  • Elliptical shape prevents piston collapse and ensures even load distribution
  • German manufacturing ensures 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:

  • Wossner Part No: 8590DB