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61
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FAULT
CAUSE
SOLUTION
Engine rotates but does not start
The engine starts but does not
stop
The engine overheats
The engine does not run
smoothly
The engine is under powerful or
accelerates badly.
High oil consumption
The ECU pin connector, generator or coil
oxidised or in bad condition.
- Petrol / gas mixture incorrect (Trim
Epprom).
- Air supply incorrect.
- Fuel insufficient.
- Insufficient coolant in the circuit.
- The radiator is soiled or partially
obstructed.
- Injection system maladjustment. (Trim
Epprom).
- Valve adjustment incorrect.
- Fuel supply faulty.
- Air filter obstruction.
- Exhaust deteriorated with leaks.
- Valve set too small.
- Decompression maladjusted.
- Piston-cylinder ring diameter tolerance
excessive.
3
4
5
6
7
8
- Remove the seat and the fuel tank, clean the pin connector
and treat it using a contact spray.
- Clean the petrol tank ventilation. Adjust the throttle body by-
pass. Adjust the air filter conduit.
- Close the starter. Clean the petrol tank ventilation. Adjust
the injector mounting. Adjust the air filter conduit.
- Fill the fuel tank with fuel.
- Add coolant, verify the cooling system seal.
- Clean the radiator fins or change it.
- Adjust the injection system. Go to a specialist workshop.
- Adjust the valve play. Go to a specialist workshop.
- Clean and check fuel system.
- Clean or change the air filter.
- Check if the exhaust system is damaged, change the glass
fibre in the silencer if necessary.
- Adjust the valve play. Go to a specialist workshop.
- Verify the operation of the system.
- Adjust the tolerance by changing the piston rings.
