Common faults of motorcycles

fault analysis
1. Blue smoke emitted from the exhaust pipe
The fault phenomenon of emitting blue smoke is that during engine operation, light blue smoke is often visible at the tail of the exhaust muffler, and there is a phenomenon of excessive oil consumption. The cause of the malfunction may be: the oil level is too high; The cylinder compression pressure is lower than the specified value; The gap between the piston, piston, and cylinder barrel increases.
2. Black smoke emitted from the exhaust pipe
The fault phenomenon of black smoke is that when the engine is working, the exhaust pipe emits black smoke and can smell the pungent smell of gasoline, which is more obvious during acceleration. The cause of the malfunction may be: the mixture is too rich; Poor operation of spark plugs; The ignition is too late.
3. White smoke emitted from the exhaust pipe
The original fault phenomenon of emitting white smoke is that the exhaust pipe emits white smoke when the engine is working. The possible cause of the malfunction is that the fuel contains moisture; There is moisture in the cylinder or muffler.