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14
PART V: Troubleshooting and Parts List
Most problems are easy to fix. Consult the Troubleshooting Table below for
common problems and their solutions. If you continue to experience problems,
contact the dealers in your area.
WARNING
Before performing any maintenance procedure or inspection, stop the engine, wait
five minutes to allow all parts to cool. Disconnect the spark plug wire, keeping it
away from the spark plug.
Troubleshooting Table
SYMPTOM
POSSIBLE CAUSE
The engine won’t start.
(Please refer to the
engine user manual
for engine-specific
procedures.)
Is the ignition switch in the “ON” position?
Is the fuel shut-off valve on?
Are you using fresh, clean petrol? If the petrol is old, change
it. Use a fuel stabilizer if you keep petrol longer than 30 days.
Is the spark plug clean? If the spark plug is dirty or cracked,
change it. If it’s oily, leave it out, hold a rag over the plug hole
and pull the recoil cord several times to blow out any oil in the
cylinder, then wipe off the plug and reinsert it.
The engine lacks
power
or is not running
smoothly.
(Please refer to the
engine user manual
for engine-specific
procedures.)
Check that the Throttle Lever is in the “Run” position.
Is the air filter clean? If it’s dirty, change it following the
procedure in the engine manufacturer’s owner’s manual.
Is the spark plug clean? If it’s fouled or cracked, change it. If
it’s oily, leave it out, hold a rag over the plug hole and pull
your recoil cord several times to blow out any oil in the
cylinder, then wipe off the plug and reinsert it.
Are you using fresh, clean unleaded petrol? If it’s old,
change it. Use a fuel stabilizer if you keep petrol longer than
30 days.
Does your engine have the right amount of clean oil? If it’s
dirty, change it following the procedure in the engine
manufacturer’s owner’s manual.
Check the oil level and adjust as needed.
Engine smokes.
(Please refer to the
engine user manual
for engine-specific
Check the oil level and adjust as needed.
Check the air filter and clean or replace if needed.
You may be using the wrong oil—too light for the
temperature. Refer to your Engine Owner’s Manual for
detailed information.