WOSSNER PISTON KIT/4 YAM YZF R6 69.00, WOSSNER K8830D200-4

Piston kit 69mm Bore 68.94 Wossner K8830D200-4 (+1mm)
YAMAHA
YZF R6 2006-2011, 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-W9874.200.WO (oro2u.com)
YAMAHA YZF R6 2006-2011 4 Stroke, Comp. 13:1
WOSSNER FORGED PISTON K8830D200-4 Bore 69.00 (mm) Display (cm3) 599 / 617 / 635
Hub stroke (mm) 42.50
Clearance (mm) 0.06
Wossner compression Ratio: OEM
OEM Compression ratio: 13.00:1
Dome volume (cm3)   -2.00
Compression height (mm) 21.20
Theorectical weight (G)