PISTON KIT SET/4 GSXR750 74.00, WOSSNER K8817D100-4 SUZUKI, OVERSIZE 1.00mm

This Wossner forged piston kit K8817D100-4 features a standard 74.00mm bore and is designed for SUZUKI GSXR750 models from 1988 to 1989 and the GSXR750F Katana from 1989 to 1997. Supplied as a set of four pistons, this kit is engineered for high-performance 4-stroke applications, providing improved compression and superior structural integrity. Manufactured in Germany, it ensures effective heat management and consistent performance under high thermal and mechanical loads.

Features

• Forged piston construction for enhanced durability and strength

• Optimised for efficient heat transfer from combustion chamber to cylinder walls

• Elliptical profile ensures even expansion and thrust load distribution

• Reduces localised pressure and minimises risk of piston collapse

• Manufactured in Germany

Specifications

• Bore: 74.00mm (STD)

• Piston code: Wossner K8817D100-4

• Clip part number: CW19

• Piston pin: WP028

• Ring set: 740XAS

• Displacement: 771 cm³

• Stroke: 44.7 mm

• Clearance: 0.06 mm

• Wossner compression ratio: 11.70:1

• OEM compression ratio: 10.90:1

• Dome volume: +5.70 cm³

• Compression height: 23.80 mm

Cross-Reference OEM Part Numbers

• Part No. 56-W9888.100.WO

Vehicle Fitments

• SUZUKI GSXR750 1988–1989

• SUZUKI GSXR750F Katana 1989–1997