PISTON KIT SET/4 CB750 4-VALVE, WOSSNER K8834D300-4 65.00mm

This Wossner forged piston kit K8834D300-4 features a 65.00mm bore (+3.00mm oversize) and is specifically designed for HONDA CB750 [4 Valve] models produced from 1979 to 1982. Engineered for enhanced combustion efficiency and durability, this 4-piston kit is built to OEM compression specifications with a performance-oriented profile. Manufactured in Germany, it ensures consistent performance in high-demand environments.

Features

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  Forged piston design ensures superior strength and longevity

  
  


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  Efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical contour for even expansion and balanced load distribution

  
  


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  Prevents localised pressure points and piston collapse

  
  


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  Precision German manufacturing

  
  

Specifications

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  Bore: 65.00mm (+3.00mm oversize)

  
  


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  Piston code: Wossner K8834D300-4

  
  


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  Clip part number: CW15

  
  


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  Piston pin: WP102

  
  


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  Ring set: 650XKS

  
  


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  Displacement: 823 cm³

  
  


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  Stroke: 63.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Wossner compression ratio: 10.30:1

  
  


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  OEM compression ratio: 9.20:1

  
  


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  Dome volume: -5.30 cm³

  
  


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  Compression height: 23.50 mm

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9882.400.WO

  
  

Vehicle Fitments

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  HONDA CB750 [4 Valve] 1979–1982