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Troubleshooting
In small engines generally, difficult starting and erratic running is most often caused by a
dirty spark plug. If a new spark plug of the correct type does not restore the engine to
proper operating condition, the problem may be solved by reference to the chart below.
Problem Possible cause Correction
Does not start Out of fuel Refill tank with correct fuel
Throttle lever in incorrect position Refer to 'Starting Procedures'
Spark plug lead not connected Press terminal cover fully onto
the spark plug
Engine flooded Turn fuel tap 'OFF'. Pull starter cord
until engine starts, then turn fuel
tap 'ON'
Dirty spark plug Replace spark plug
Stale fuel in tank from last season Contact Service Centre
Water in fuel tank Contact Service Centre
Service required Contact Service Centre
Engine worn Contact Service Centre
Low or no oil (4 stroke) Check
Loss of Power Incorrect throttle setting Set throttle lever in the 'RUN' position
Dirty air filter element Clean or replace
Too low height adjustment Raise cutting height
Low or no oil (4 stroke) Check
Poor cutting or Blades worn or damaged Replace
catching
Blade disc loose Contact Service Centre
Slow running Refer to 'Loss of Power' above
Blades restricted by grass and dirt Remove spark plug lead and clean
accumulated under the baseplate under the baseplate
Blocked vents in grasscatcher Clean vents
Excessive vibrations Build up of grass and dirt on upper Clean
surface of blade disc
Blades out of balance Replace both blades
Bent or damaged disc or blade Replace disc or both blades
Looseness of assembly Check all nuts for tightness
Low or no oil (4 stroke) Check
Engine stops Fuel supply blocked Check fuel line
frequently
Engine worn or seized Contact Service Centre
Fuel cap not venting Check / Loosen cap slightly
Low or no oil (4 stroke) Check
If running difficulties continue, contact your closest VICTA Authorised Service Centre as
listed in the back of this manual.
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