PISTON KIT 06-11 EX650 NINJA, WOSSNER K8697DA-2 ROAD, KAWASAKI

The Wossner K8697DA-2 piston kit is a standard-size forged piston set designed for Kawasaki EX650 Ninja models from 2006 to 2011. With an 83.00mm bore and 12.6:1 compression ratio, this 2-ring piston configuration offers high efficiency, structural integrity, and performance for modern four-stroke engines. Manufactured in Germany, the kit includes two pistons and all required components for installation.

Features

• Forged high-performance pistons with skirt coating

• Elliptical design ensures uniform load distribution and controlled heat expansion

• Optimised combustion chamber heat transfer to cylinder walls

• Two-ring piston configuration

• Includes piston pins, clips, and rings

Specifications

• Bore size: 83.00mm (Standard)

• Measured bore: 82.95mm

• Display displacement: 649 cm³

• Stroke: 60.00mm

• Clearance: 0.05mm

• Compression ratio: 12.6:1

• OEM compression ratio: 12.7:1

• Dome volume: –9.30 cm³

• Compression height: 22.70mm

• Quantity: 2 pistons per kit

• Made in Germany

Cross-Reference OEM Part Numbers

• Part No. 56-W9873.83.000.WO

• Clip: CW19

• Piston Pin: WP028

• Ring Set: 830XSY

Vehicle Fitments

• Kawasaki EX650 Ninja 2006–2011