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SPARK PLUG
• Starting failure and misfiring are often caused by a
fouled spark plug. Clean the spark plug and check that
the plug gap is in the correct range. For a replacement
plug, use the correct type
•
Periodically clean the spark plug and check that the
spark gap is in the correct range.
IMPORTANT
•
Note that using any spark plugs other than those designated may result in the engine failing to
operate properly or in the engine becoming overheated and damaged.
•
To install the spark plug, first turn the plug until it is finger tight, then tighten it a quarter turn
more with a socket wrench.
TIGHTENING TORQUE: 9.8~11.8 N
31. Troubleshooting guide
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Case 1. Starting failure
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CHECK
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fuel tank
fuel filter
sparking (no spark)
spark plug
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Case 2. Engine starts but does not keep running/Hard re-starting.
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CHECK
fuel tank
muffler, cylinder
air cleaner
cylinder fin, fan cover clogged with dust
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When your unit seems to need further service, please consult with service shop in your area.
Manual_FX-MS152T_Int24_Rev5
PROBABLE CAUSES
incorrect fuel
fuel filter is clogged
park plug is fouled/wet
plug gap is incorrect
disconnected
PROBABLE CAUSES
incorrect fuel or staled fuel drain it and with correct fuel
carbon is built-up
clogged with dust
ACTION
drain it and with correct fuel
clean
clean/dry
correct (GAP: 0.6~0.7mm)
retighten
ACTION
wipe away
wash
clean
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