Troubleshooting - Hyundai HYSG150 User Manual

after proper belt adjustment is achieved).To check belt tension, you should be
able to depress the belt down about 6 to 10 mm from the original position.
8.11.4. To extend belt life, proper tension must be maintained. A loose belt will cause
excessive cutting blade slippage and belt premature failure. A belt that is
too tight can cause bearing, shaft and belt failure.

9. TROUBLESHOOTING

SYMPTOM
Fuel system
The engine
will not start
Spark plug
No spark after
service
Low
compression
Air filter
Engine lacks
power or runs
Fuel system
unevenly
Blue exhaust – lots of
Blue/White exhaust smoke
Black exhaust
CAUSE
Fuel valve closed
Choke valve open
Fuel tank empty
Machine stored incorrectly
with regards to emptying fuel
system
Water or ice in fuel system
Carburetor problem
Incorrect spark plug
Dirt carbon build up on
electrodes
Short circuit
Petrol/oil on spark plug
Faulty engine switch
Serious internal engine
damage or faulty valves
Clogged air filter
Machine stored incorrectly
with regards to emptying fuel
system
Tank filled with 2 stroke oil
fuel mixture.
Tank filled with diesel
Choke left ON
Clogged air filter
Carburetor problems
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ACTION
Open the fuel valve
Close the choke when starting
cold engine
Check and fill with fuel
Check and clean fuel tank of
sludge, fuel lines & carburetor.
Refill with fresh fuel
Contact your dealer
Replace with correct plug
Clean and check spark plug
gap, replace as required
Replace with correct plug
Clean the spark plug, allow any
excess fuel to evaporate. Start
with full throttle
Contact your dealer
Contact your dealer
Clean or replace as required
Check and clean fuel tank of
sludge, fuel lines & carburetor.
Refill with fresh fuel
Clean tank, sludge reservoir
and empty carburetor.
Fill the tank with proper fuel.
Open choke valve.
Clean or replace the air filter.
Move choke to correct
position
Clean air filter
Clean carburetor
If no success contact dealer