Lifan 160F Manual Para El Usuario página 37

TROUBLESHOOTING
I. STARTING ENGINE DIFFICULTLY
TROUBLE
1. Something wrong with the fuel
system.
2. Fuel supply is blocked or on fuel.
Normal cylinder compression
Normal spark
1. Something wrong with the fuel
system.
Normal cylinder compression
Normal spark
Fuel fl ows easily and smoothly
1. Spark plug is in bad condition.
Normal cylinder compression
Normal fuel supply
Normal high-pressure coil spark
1. No high-pressure coil spark
Normal cylinder compression
Normal fuel supply
Norm spark plug
1.Poor cylinder compression
Normal fuel supply system
Normal ignition system
CAUSE
There is no enough fuel in fuel
tank or fuel cock is closed.
Air vent in the fuel fi ller cap is
clogged.
Fuel cock is clogged.
Improper or clogged main jet. Readjust or clean, blow to get
Needle valve is closed improp-
erly or start hole is clogged.
Floater is damaged or sticking.
Fuel is fi lthy or deteriorated.
There is water in fuel.
Too much fuel in engine cylin-
der.
Wrong fuel brand.
Too much carbon fouling and
dirt around electrodes.
Electrodes are burn damaged
seriously or insulators damaged.
Improper electrodes gap.
High-pressure coil is damaged. Replace.
Ignition coil damaged.
Magneto loses magnetism.
Piston ring is so worn to over
its wear limit.
Piston ring is sticking.
Piston ring is broken.
Spark plug is not installed
tighten or without a gasket.
Air leakage between cylinder
block and cylinder.
Air leakage in valve.
REMEDY
Fill fuel, open fuel cock.
Dredge air vent.
Clean fi rst and then dredge.
through.
Dismantle needle valve and re-
pair, clean, blow to get through.
Repair fl oater.
Replace.
Replace.
Drain extra fuel, dry up spark
plug eletrodes.
Select proper fuel brand corre-
sponding with requirements.
Clear away.
Replace spark plug.
Adjust to proper value.
Replace.
Replace.
Replace a set of piston rings.
Clear up carbon fouling.
Replace.
Tighten with a gasket in.
Check cylinder gasket and the
fl atness of the surface by which
cylinder black contacting with
cylinder head; tighten cylinder
bolts in the order to stipulated
torque.
Check valve clearance and
thightness, repair if necessary.
EN
37