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35. Troubleshooting
1. Difficulties during commissioning
Situation
Spark plug
No ignition
spark
other
Compression
Weak ignition
spark
The carburettor does not
pump oil anymore.
regular oil supply, but
weak compression
regular oil supply and
proper ignition spark
Manual_FX-MS125_Int24_Rev1
Cause
Carbon deposit between the diodes of the
spark plug
Ignition coil defective flywheel magnet too
weak
Too much petrol in the combustion
chamber, lousy fuel or water in the tank
Oil line blocked
Piston rings are worn, the spark plug is not
screwed down, the cylinder head is not
tight, wrong valve clearance or ignition
timing.
Poor contact between the ignition cap and
spark plug
64
Solution
Clean the spark plug. Adjust
the gap 0.6~0.7mm, replace
the spark plug
Replace the ignition coil or
flywheel
Remove the spark plug and
allow it to dry, and replace
the fuel.
Cleaning the carburettor
and cleaning the pipes
Replace the screw tight to
replace or adjust
Replace or check
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