44
PROBLEM
POSSIBLE CAUSES
STEPS TO TAKE
Engine makes strange noises
- Ignition problems.
- Overheated engine.
- Take the motorcycle to an authorised workshop.
- Stop the engine and check the state of the cooling and exhaust
systems.
Engine lacks power
- Intake problems.
- Exhaust system problems.
- Carburettor jets dirty.
- Damaged crankshaft bearings.
- Clutch slipping.
- Clean the fuel admission system and air filter.
- Check for leaks in the system and clean or replace the exhaust
packing fiberglass.
- Remove the carburettor and clean it.
- Replace the bearings.
- Check its adjustments. Take bike to a specialist garage.
Exhaust gives off white smoke
- Water is getting into the cylinder.
- Accelerator cable incorrectly adjusted.
- Change the cylinder head O-ring.
- Check accelerator adjustment.
Exhaust gives off brown smoke
- Insufficient air in the mixture.
- Main jet too high.
-Weak of seal
- Clean or change the air filter.
- Check the main jet
-Check or cange the seals of crank-shaft
Explosions in the exhaust
- Carbon deposits in the combustion chamber.
- Incorrect type of fuel.
- Spark plug in bad condition or wrong type.
- Exhaust system gaskets damaged.
- Clean the combustion chamber.
- Empty fuel tank and refill with correct type of fuel.
- Replace spark plug with correct type.
- Check condition of gaskets and replace if necessary.
Clutch not working correctly
- No play in the clutch lever.
- Clutch worn.
- Clutch springs broken or weak.
- Take bike to a specialist work shop.
