43
CAUTION
Where necessary, all corrective actions should be carried out by suitably qualified
persons.
Problem
Possible Cause
Possible Corrective Action
Engine does not start
OPC cable not adjusted
correctly
Adjust OPC cable
Fuel tank is empty
Fill fuel tank
Stale fuel
Drain carburetor float bowl
Air filter element is dirty
Clean or replace air filter
Spark plug is loose
Tighten spark plug
Spark plug cap loose or
disconnected
Correctly fit the spark plug cap
Spark plug faulty
Spark plug gap is incorrect
Set plug gap to 0.7
– 0.8mm or
Replace spark plug
Carburetor is flooded with fuel
Remove the air filter and pull starter
rope until carburetor clears
Faulty ignition module
Contact the service dealer
Engine difficult to start
or loses power
Dirt, water or stale fuel in tank
Drain fuel and clean tank
Fill with clean, fresh fuel
Vent hole in fuel tank is clogged
Clean or replace fuel tank cap
Air filter element is dirty
Clean or replace air filter
element
Engine operates
erratically
Spark plug is defective
Fit new, correctly gapped spark plug
Spark plug gap is incorrect
Set plug to 0.7
– 0.8mm
Air filter element is dirty
Clean or replace air filter element
Engine idles poorly
Air filter element is dirty
Clean or replace air filter element
Air slots in engine are blocked
Remove debris from slots
Cooling fins and air passages
under engine housing are
blocked
Remove debris from cooling fins
and passages
Engine skips at high
speed
Spark plug electrode gap is
incorrect
Set plug gap to 0.7
– 0.8mm
Engine Overheating
Cooling airflow is restricted
Remove any debris from slots in
shroud, blower housing, air
passages
Incorrect spark plug
Fit new spark plug
Mower vibrates
abnormally
DO NOT
use the
machine until vibration
issue has been fixed
Cutting assembly is loose
Tighten blade
Blade/cutting assembly is
unbalanced
Take to a service dealer
10. TROUBLESHOOTING