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Original Bedienungsanleitung FX-4MS142_de_en_fr_ita_rev01
26. Troubleshooting
1. Difficulties during commissioning
Situation
Cause
Solution
No ignition
spark
Spark plug
Coal deposit
Clean the spark plug.
Adjust the gap
0.6~0.7mm Replace the
spark plug
other
ignition coil defective flywheel magnet too
weak
replaced ignition coil
replaced flywheel
Weak ignition
spark
Compression
Too much gasoline in the combustion
chamber Poor fuel or water in the tank
Remove the spark plug
and allow it to dry.
Replace fuel
The carburetor does not
pump oil anymore.
Oil line blocked
Cleaning the carburetor
and cleaning the pipes
regular oil supply but
weak compression
Piston rings do not close spark plug not
tightly screwed on Cylinder head, not tight
Incorrect valve clearance or ignition
timing.
replace screw tight
Replace or adjust
regular oil supply and
good ignition spark
Poor contact between ignition cap and
spark plug Short circuit or on/off switch
replace or check
2. Emergencies during operation
Situation
Cause
Solution
the engine does
not reach the
speed
Choke is in the wrong position. The exhaust
system does not clog the air supply. Moving
elements have worn ignition spark weakly too
much valve clearance. Cylinder head sooty
Open choke Replace exhaust system
Check or replace ignition coil, flywheel.
Spark plug Adjust valves Clean cylinder
head
Operating
materials are
leaking
Lines to carburetor blocked Spark plug spacing
incorrect
Adjust replaced lines and carburetor gap
Engine noises
Wrong choke position Camshaft damaged
Check Replace camshaft
Carburetor leaking
Failure of the check valve on the tank cap
replaced the tank cap
The carburetor gasket is worn out
Replace carburetor or gasket
If no troubleshooting solves the problem, contact your dealer.
54


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