Benchmark BCT24M - 6. Troubleshooting

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6. TROUBLESHOOTING
Engine Will Not Start
Possible Cause
Correction
1. Check control positions
Choke OPEN.
Move lever to CLOSE unless
engine is warm.
Engine switch OFF.
Turn engine switch to ON.
2. Check fuel.
Out of fuel.
Refuel
Bad fuel; engine stored
without treating or draining
gasoline, or refueled with
bad
gasoline.
Drain fuel tank and
carburetor.
Refuel with fresh gasoline.
3. Remove and inspect
spark plugs.
Spark plugs faulty, fouled, or
improperly gapped.
Gap, or replace 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).
2. Check fuel.
Out of fuel.
Refuel
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
1. Check spark plug
Spark plug is defective.
Spark plug is defective.
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.