analysis of non-normal lightning electric motorcycle exhaust failure

1, the exhaust pipe to take blue smoke Take the blue smoke of failure phenomenon: the engine work, at the end of the exhaust muffler often visible light blue smoke, lightning electric motorcycle and a phenomenon of excessive oil consumption. Failure may be: engine oil level triumph cub motorcycle is too high; cylinder compression pressure is lower than a predetermined value; clearance between the piston, the piston and the cylinder bore increases. 2, exhaust black smoke Symptoms of black smoke are: the engine work, exhaust black smoke and smell the pungent smell of petrol, the more motorcycle engine size obvious when accelerating. Failure may be: the mixture too thick; bad spark plug; ignition late. 3, white smoke exhaust pipe White smoke is the primary symptom: When lightning electric motorcycle to work, take the white smoke exhaust pipe. Failure may be: fuel contains water; muffler cylinder or moisture.