Piston kit 49mm Bore 48.95 Wossner 8269D200 (+2.00mm) YAMAHA
MX80 1980 - 1982,
TY80 1974 - 1975,
YZ80 1974 - 7975,
GT1-1973 - 1975, 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-W9919.200.WO
YAMAHA YZ80 / TY80 / MX80 GT1-,
WOSSNER 8269D200 O/S 2.00mm 49.00mm PISTON KIT
Clips P/N CW12
Pin P/N WP091
Ring Set P/N RSB4900 Hub stroke (mm) 42.00
Clearance (mm) 0.05
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3) -
Compression height (mm) 29.40
Theorectical weight (G)