TROUBLESHOOTING
17
6. TROUBLESHOOTING
ENGINE WILL NOT
START
Possible Cause
Correction
Choke OPEN.
Move lever to CLOSE unless
engine is warm.
1. Check
control
positions
Engine switch OFF.
Turn engine switch to ON.
Out of fuel.
Refuel
2. Check fuel.
Bad fuel; engine stored
without treating or draining
gasoline, or refueled with bad
gasoline.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
Spark plugs faulty, fouled, or
improperly gapped.
Gap, or replace spark plugs.
3. Remove and
inspect spark
plugs.
Spark plugs wet with fuel
(flooded engine).
Dry and reinstall spark plugs.
Start engine with control lever
in FAST position.
4. Take engine to
an authorized
servicing dealer,
or refer to
manual.
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valve stuck, etc.
Replace or repair faulty
components as necessary.
ENGINE LACKS
POWER
Possible Cause
Correction
1. Check air filter
Filter element(s) clogged.
Clean or replace filter
element(s).
Out of fuel.
Refuel
2. Check fuel.
Bad fuel; engine stored
without treating or draining
gasoline, or refueled with bad
gasoline.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
3. Take engine to
an authorized
servicing dealer,
or refer to
manual.
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valve stuck, etc.
Replace or repair faulty
components as necessary.
ENGINE
OPERATES
ERRATICALLY
Possible Cause
Correction
Spark plug is defective.
Install new, correctly gapped
plug,
1. Check spark plug
Spark plug gap is incorrect.
Set gap between electrodes at
0.7 to 0.8 mm.
2. Check air cleaner Air cleaner element is dirty.
Clean air cleaner element.
