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

Piston kit 83mm Bore 82.95 Wossner K8697DA-2 (STD)
KAWASAKI
EX650 NINJA 2006 - 2011, (2 rings) Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9873.83.000.WO (oro2u.com)
Clip part no - CW19
Piston pin- WP028
Ring set -830XSY Display (cm3) 649
Hub stroke (mm) 60.00
Clearance (mm) 0.05
Wossner compression Ratio: 12.60:1
OEM Compression ratio: 12.70:1
Dome volume (cm3)   -9.30
Compression height (mm) 22.70
Theorectical weight (G)