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Ref : WO00377A / 1124797003
Wossner

Wossner forged Piston kit

Recommended retail price: 255,50 €242,70 €

Compatibility

Check that this part fits your motorcycle

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Features

WÖSSNER Forged Piston intended for motocross displacements, manufacturer reference 4090DC. Made from forged aluminum, this standard compression piston features oversize dimensions for bored-out engines and is aimed at riders replacing their original piston after wear or boring. Its design adheres to Wössner specifications for off-road use.

  • Piston Diameter: Ø 80.970 mm (80.97 mm)
  • Oversizing: +0.2 mm (oversize letter: C)
  • Wössner Compression Ratio: 14.8:1
  • Material: Forged Aluminum
  • Number of Rings: Kit
  • Recommended Ring Reference: RIK81.00A

This piston is used on cylinders bored to +0.2 mm and must be installed following the manufacturer's recommendations (piston/cylinder clearance, timing, and ring placement). Ideal for motocross applications where the reliability of mechanical parts is crucial, it is particularly suitable for the following models:

  • HUSQVARNA FC 250 (2025 - 250 cm3)
  • KTM 250 SX-F (2024 - 250 cm3)
  • GAS GAS EC 250 F (2024 - 250 cm3)

Check compatibility and the condition of the cylinder before installation. Product reference: 4090DC.