MARIA DON,T YOU CHOP THAT BIKE UP .GOT MY MANUAL HERE MIGHT BE SOME HELP.COULD BE
STICKY FLOAT VALVE IN CARB,CARB INCORRECT ADJUSMENT,IMPROPER CHOKE OPERATION, IMPROPER GAPED SPARK PLUG,WEAK IGNITION,IGNITION TIMMING,CLOGGED AIR FILTER,CONTAMINATED FUEL,WEAK OR FAULTY IGINTOR UNIT,CHECK VACUM HOSE,WATER IN FUEL,IMPROPER VALVE TIMMING,
HOPE THIS WILL BE OF SOME HELP TO YOU MARIA ,