ENGLISH
20
Inspection and maintenance plan
Regular servicing period
Air filter
Spark plug
Troubleshooting
Defect
The motor does not start
The motor does not
develop maximum
power
Before any
start-up
Inspection
Change
Inspection
Clean
Change
Cause
Empty fuel tank/Lack of fuel
Choke has not been used
Wrong fuel, storing without petrol tank
being drained
Sooted spark plug (carbon residues on
electrodes), electrodes distance too big.
The spark plug is wet from petrol
(oversaturated engine).
Sooted spark plug (carbon residues on
electrodes), electrodes distance too big.
Dirty air filter
Bad fuel/oil mix (too much oil)
After every take
After 1
out of service
month
Removal
Add some fuel
Use the choke
Drain the fuel tank and carburettor.
Add fresh petrol.
Clean the spark plug, check the plug ther-
mal value, possibly change the plug, set
the electrodes distance to 0.6-0.7 mm
Dry the spark plug out and refit it.
Clean the spark plug, check the plug ther-
mal value, possibly change the plug, set
the electrodes distance to 0.6-0.7 mm
Clean or replace the air filter
Add some fuel
After 12
After 24
months
months