WOSSNER PISTON KIT 06-09 R1200GS 101, WOSSNER K8658DA-2 BMW ROAD, SET/2

Piston kit 101mm BORE 100.96 Wossner K8658DA-2 (STD) BMW
R1200GS 2005 - 2009,
R1200S 2009 - 2009,
R1200ST 2005 - 2009,
R1200RT 2005 - 2009,
R1200R 2005 - 2009,   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-W9795.101.WO (oro2u.com)
BMW R1200GS,ST, S, RT, R 2006 - 2009,
K8658DA-2 WOSSNER PISTON [SET/2], 101(mm),
Stroke 73mm
OEM Comp. Ratio 12:1
Dome/Bowl Volume -3.4cm
Comp. Height 30.9mm Display (cm3) 1085
Hub stroke (mm) 73.00
Clearance (mm) 0.04
Wossner compression Ratio:OEM
OEM Compression ratio: 12.00:1
Dome volume (cm3)-3.40
Compression height (mm) 30.90
Theorectical weight (G)