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N.L.A OFFER STD COMP 56-W4835+00A.WO, PISTON KIT 06-11 YFZ450 95 HC, FORGED WOSSNER 8657DA

N.L.A OFFER STD COMP 56-W4835+00A.WO, PISTON KIT 06-11 YFZ450 95 HC, FORGED WOSSNER 8657DA

£147.34 GBP
Taxes included.

Wossner forged piston kit with a 95.00mm bore and 94.95mm diameter, designed for Yamaha ATV/UTV 4-stroke 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: 95.00mm
  • Diameter: 94.95mm
  • Display (cm³): 449
  • Stroke (mm): 63.40
  • Clearance (mm): 0.05
  • Wossner Compression Ratio: 13.50:1
  • OEM Compression Ratio: 11.40:1
  • Dome Volume (cm³): -1.60
  • Compression Height (mm): 25.10

Cross-Reference OEM Part Numbers

  • Wossner Piston Yamaha YFZ450 (PN# 8657DA)
  • Lock P/N: CW20
  • Pin P/N: WP038
  • Ring Set P/N: 950ADS-2
  • Rod P/N: P4030

Vehicle Fitments

  • Yamaha YFZ450 (2006-2012)
  • Yamaha YFZ450R (2006-Present)