Two cycle engines have an oil gas mixture and if there is too mush oil to gas you will see it burn as white or gray smoke That or your valves are bad.
White smoke normally means you are burning oil.
oil getting by the rings causes white smoke and oil dripping out of the tailpipe.
white smoke can be either your car overheating, or smoke from an electrical issue
White smoke means head gasket, cracked head or equivelant.
water
blown headgasket
blue smoke is oil. white smoke is water. black smoke is unburnt fuel
Quality of fuel plays major role in smoke emission
condensation
White smoke is usually vaporized coolant. You may have a blown gasket or a crack somewhere.
the engine is burning oil. blue smoke oil white smoke antifreeze black smoke excess fuel
if it is white smoke engine need to rebuilt.