Troubleshooting > Failures par brand > FOSTI > My 50cc FOSTI motorcycle is smoking
Usually the smoke coming out of the exhaust is barely visible, but if it is colored you must be wondering. This could be a sign of an engine damage that will come soon.
On a cold engine, it is quite normal for your vehicle to make a little white smoke.ar le exhaust. However, the emission of this smoke must stop quickly, as soon as the engine is warm. A discharge of white smoke can be the symptom of many malfunctions (leak on the water exchanger / oil , cylinder head gasket , spark plugs defectiveâ € ¦). White smoke is caused epar water or antifreeze entering the cylinder and turning into water vapor. If this smoke is dense, the quality of the gasoline may be in question. If the outside temperature is low, white smoke may be an automatic response from your vehicle. Check the plan of the cylinder head gasket .
When your motorbike consumesoil or rather when you donâ € ™ t use the correct one lubricant (poor quality, oil not adapted). Check it out air filter , adjustment of the Air adjusting screw, setting the choke, Sealed from float needle , adjustment at the level of the tank, gas pump defective, presence ofoil in gasoline.
This type of smoke is produced when the fuel is not completely burned in the combustion chamber. It can more rarely be caused epar an impurity in the air filter or an air leak at the intake. If blue smoke occurs during acceleration, check the motor and replace the segments during the deaths, replace the valve gaskets If the compression pressure is too low, check the valves and the segments, air filter clogged, defective breather, too muchoil in the mixâ € ¦
SymIt is also a precursor to mechanical problems. Anyway, consider using a fuel and a oil of good quality.