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

• Forged piston design ensures superior strength and longevity

• Efficient heat transfer from combustion chamber to cylinder walls

• Elliptical contour for even expansion and balanced load distribution

• Prevents localised pressure points and piston collapse

• Precision German manufacturing

Specifications

• Bore: 65.00mm (+3.00mm oversize)

• Piston code: Wossner K8834D300-4

• Clip part number: CW15

• Piston pin: WP102

• Ring set: 650XKS

• Displacement: 823 cm³

• Stroke: 63.00 mm

• Clearance: 0.06 mm

• Wossner compression ratio: 10.30:1

• OEM compression ratio: 9.20:1

• Dome volume: -5.30 cm³

• Compression height: 23.50 mm

Cross-Reference OEM Part Numbers

• Part No. 56-W9882.400.WO

Vehicle Fitments

• HONDA CB750 [4 Valve] 1979–1982