Original Bedienungsanleitung FUXTEC FX-MHP126_de_en_fr_ita_rev05
51
24.
TROUBLESHOOTING
1.
Difficulties during start-up
Situation
Cause
Solution
No ignition
spark
spark plug
Carbon deposition between the
diodes of the spark plug
Clean the spark plug.
Adjust the gap
0.6~0.7mm, Replace
the spark plug
other
ignition coil defective, flywheel
magnet too weak
Replace the ignition
coil or flywheel
Weak
ignition
spark
Compression
Too much fuel in the combustion
chamber, bad fuel or water in the
tank
Remove spark plug
and allow to dry,
replace fuel.
Carburettor no
longer pumps oil
Oil line blocked
Cleaning the
carburettor and
cleaning the pipes
Poor starting
performance
normal oil supply
but weak
compression
Piston rings worn, spark plug not
tightened, cylinder head not tight,
Incorrect valve clearance or
ignition timing.
replace tighten screws
replace or adjust
normal oil supply
and good ignition
spark
Poor contact between ignition cap
and spark plug
replace or tighten
screws
2.
Problems during operation
Situation
Cause
Solution
engine does
not reach
speed
Choke is in "COLD START" position,
exhaust system blocked no air supply,
moving elements worn, ignition spark
weak, too much valve clearance, cylinder
head sooty
Open choke, replace exhaust system
Check or replace ignition coil, adjust
flywheel, spark plug
Operating
materials are
leaking
lines to carburettor blocked, spark plug
spacing incorrect
Replace the lines and if necessary the
carburettor; adjust gap dimension
engine noises
Wrong choke position,
Camshaft damaged
Check/replace camshaft
Carburettor
leaking
Failure of the non-return valve on the tank
cap
Replace the fuel filler cap
Carburettor gasket worn out
Replace carburettor or gasket
