PISTON KIT 00-05 ZX12 KAW, WOSSNER K8779DA-4 ROAD, KAWASAKI

This Wossner piston kit with an 83mm bore is a standard replacement for Kawasaki ZX12 models from 2000 to 2005, including turbo applications. Forged in Germany for maximum durability, the pistons are engineered for efficient heat transfer and structural reliability. The elliptical design ensures even pressure distribution under thermal expansion, reducing the risk of piston collapse in high-performance engines.

Features

• Forged construction for superior strength and endurance

• Designed for efficient combustion heat transfer to cylinder walls

• Elliptical profile provides consistent bearing surface during thermal expansion

• Even thrust load distribution minimises localised stress

• Manufactured in Germany

Specifications

• Bore: 83mm (Standard)

• Actual bore: 82.93mm

• Display volume: 1198 / 1257 cm³

• Stroke: 55.40mm

• Clearance: 0.07mm

• Wossner compression ratio: 9.80:1

• OEM compression ratio: 12.20:1

• Dome volume: -9.80 cm³

• Compression height: 25.00mm

• Lock Part Number: CW21

• Pin Part Number: WP092

• Ring Set Part Number: 830XTY

Cross-Reference OEM Part Numbers

• 56-W9815.83.WO

• K8779DA-4

Vehicle Fitments

• Kawasaki ZX12 (2000–2005)