20
TAKING CARE OF UNEXPECTED PROBLEMS
ENGINE WILL NOT START
ENGINE LACKS POWER
ENGINE LACKS
POWER
Possible Cause
Correction
1. Check air cleaner.
Air cleaner elements
clogged.
Clean or replace air
cleaner elements.
2. Check fuel.
Bad fuel; engine stored
without treating or
draining gasoline, of
refueled with bad
gasoline.
Drain the fuel tank and
carburetor. Refuel with
fresh gasoline.
3. Take engine to a
technician.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Replace or repair faulty
components as
necessary.
ENGINE WILL NOT
START
Possible Cause
Correction
1. Check control
positions.
Fuel valve OFF.
Move lever to ON.
Choke OFF.
Move the choke / throttle
lever to CHOKE ON
position unless engine is
warm.
Ignition switch OFF.
Move the throttle lever to
FAST position.
2. Check fuel.
Out of fuel.
Refuel
Bad fuel; engine stored
without treating or
draining gasoline, of
refueled with bad
gasoline.
Drain the fuel tank and
carburetor. Refuel with
fresh gasoline.
3. Remove and inspect
spark plug.
Spark plug faulty, fouled,
or improperly gapped.
Replace the spark plug.
Spark plug wet with fuel
(flooded engine).
Dry and reinstall spark
plug. Start engine with
choke / throttle lever in
FAST position.
4. Take engine to a
technician.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Replace or repair faulty
components as
necessary.