WOSSNER PISTON KIT 1989 YZ125 56.00, WOSSNER 8131DA YAMAHA MX

Piston kit 56mm Bore 55.94 Wossner 8131DA (STD)
YAMAHA
YZ125 1989, 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-W582+00A.WO (oro2u.com)
Wossner Piston Yamaha YZ125 56 mm Bore (PN# 8131DA)
Lock P/N CW16
Pin P/N WP036
Ring Set P/N RSB5600
Rod P/N P2047 Display (cm3) 123
Hub stroke (mm) 50.00
Clearance (mm) 0.06
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3)
Compression height (mm) 28.00
Theorectical weight (G)