0478-404-9807-A
66
English 
18 Troubleshooting
18.1 Remedying Tiller Faults
18 Troubleshooting
Fault Cause Remedy
Engine cannot be started. Insufficient fuel in fuel 
tank.
► Refuel tiller.
Main switch set to 0 
position.
► Press main switch.
Inferior, dirty or old fuel in 
tank.
► Use fresh, good quality unleaded petrol.
► Clean carburettor.
► Clean fuel line.
Spark plug socket 
detached from spark plug 
or ignition lead not 
properly fastened to 
socket.
► Connect spark plug socket.
► Check connection between ignition lead and plug.
Spark plug dirty, damaged 
or electrode gap incorrect.
► Clean or replace spark plug.
► Adjust electrode gap.
Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Engine flooded. ► Remove spark plug and dry; set main switch to 0 and pull starter 
rope repeatedly with spark plug removed.
Carburettor iced up. ► Allow tiller to warm up to +10 °C.
Engine difficult to start or 
engine power 
deteriorating.
Water in fuel tank and 
carburettor or carburettor 
blocked.
► Empty fuel tank, clean fuel line and carburettor.
Fuel tank contaminated. ► Clean fuel tank.
Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Spark plug dirty. ► Clean or replace spark plug.
Incorrect fuel used. ► Check fuel.
Engine overheating. Cooling ribs dirty. ► Clean cooling ribs.
Oil level in engine too low. ► Top up engine oil.
Surface of engine covered 
in earth.
► Remove earth from engine.
Engine speed too high. ► Reduce speed.