... :76mm×58mm,Lubrication systemd:dry sump,Cooling system:water cooled,Starting system:Electric starter,Ignition system:TCI,Spark plug:CR9EB(NGK),Spark plug gap ... .7-0.8mm,Battery capacity:12V,19Ah,Charging system:Flywheel magneto.DRIVE UNITPropulsion system:Axial flow,single stage jet pump,Impeller rotation ...