TAKING CARE OF UNEXPECTED PROBLEMS
ENGINE WILL NOT
Possible Cause
START
1. Check control
Fuel valve OFF.
positions.
Choke OPEN.
Engine switch OFF.
2. Check engine oil
Engine oil level low. Fill with the
level.
3. Check fuel.
Out of fuel.
Bad fuel; engine
stored without
treating or draining
gasoline, or refueled
with bad gasoline.
4. Remove and
Spark plug faulty,
inspect spark
fouled, or
plug.
improperly gapped.
Spark plug wet with
fuel (flooded
engine).
5. Take engine to
Fuel filter restricted,
your servicing
carburetor
dealer, or refer to
malfunction,
shop manual.
ignition
malfunction, valves
stuck, Fuel pump
malfunction (high
inclination models),
etc.
ENGINE LACKS
Correction
POWER
1. Check air filter.
Move lever to ON
position.
Move lever to
2. Check fuel.
CLOSED position
unless the engine is
warm.
Turn engine switch
to ON position. The
3. Take engine to
engine switch is
your servicing
mounted on the
dealer, or refer to
equipment powered
shop manual.
by this engine. Refer
to the instructions
provided with that
equipment for
information about
your specific engine
switch operation.
ENGINE GENERATES
WHITE SMOKE
recommended oil to
UNDER INCLINED
the proper level
OPERATION
(p. 8).
Take engine to your
Refuel (p. 7).
servicing dealer, or
Drain fuel tank and
refer to shop
carburetor (p. 12).
manual.
Refuel with fresh
gasoline (p. 7).
Gap or replace spark
plug (p. 10).
Dry and reinstall
spark plug. Start
engine with throttle
lever in MAX.
position. The
throttle lever is
mounted on the
equipment powered
by this engine. Refer
to the instructions
provided with that
equipment for
information about
your specific throttle
control.
Replace or repair
faulty components
as necessary.
ENGLISH
Possible Cause
Filter element(s)
Clean or replace
restricted.
filter element(s)
(p. 9).
Bad fuel; engine
Drain fuel tank and
stored without
carburetor (p. 12).
treating or draining
Refuel with fresh
gasoline, or refueled
gasoline (p. 7).
with bad gasoline.
Fuel filter restricted,
Replace or repair
carburetor
faulty components
malfunction,
as necessary.
ignition
malfunction, valves
stuck, Fuel pump
malfunction (high
inclination models),
etc.
Possible Cause
Umbrella check
Replace umbrella
valve malfunction
check valve.
(high inclination
models).
Correction
Correction
13