47
MAINTENANCE INSTRUCTIONS
SOLUTION
CAUSE
FAULT
- Close the choke. Clean the petrol tank ventilation.
- Fill the fuel tank with fuel.
- Clean the engine cooling blades or replace.
- Adjust the fuel system correctly. Visit an approved GAS GAS
workshop.
- Adjust the valve play. Visit an approved GAS GAS workshop.
- Clean the fuel system and check for leaks.
- Clean or change the air filter.
- Check if the exhaust system is deteriorated. Change if
necessary.
- Adjust the valve play. Visit an approved GAS GAS
workshop.
- Adjust the tolerance by changing the piston rings.
- Correct the engine oil level by draining the required amount.
- Empty the engine oil and fill with oil of the recommended viscosity.
- Visit an approved GAS GAS workshop.
- Adjust the valve play. Visit an approved GAS GAS workshop.
- See chapter 5.
- Air supply incorrect.
- Fuel insufficient.
- Engine cooling blades damaged,
dirty or bent.
- Fuel system maladjusted
.
- Valve adjustment incorrect.
- Fuel supply faulty.
- Air filter dirty.
- Exhaust deteriorated with leaks.
- Valve play too low.
- Incorrect piston ring-cylinder
tolerances.
- Engine oil level is too high.
- The quality or viscosity of the oil
is insufficient.
- Ignition problem.
- Valve play adjustment.
- Over heating.
The engine starts but does not
stop
The engine overheats
The engine does not run
smoothly
The engine is not powerful or
accelerates badly
High oil consumption
Abnormal engine noise
4
5
6
7
8
9
