Troubleshooting
5
13
Problem
Cause
Remedy
Engine fails to start
1. Blade control disengaged.
2. Spark plug boot disconnected.
3. Fuel tank empty or stale fuel.
4. Engine not primed (if equipped with primer).
5. Faulty spark plug.
6. Blocked fuel line.
7. Engine flooded.
8. Fuel valve (if equipped) closed.
9. Engine not choked (if equipped with choke).
1. Engage blade control.
2. Connect wire to spark boot.
3. Fill tank with clean, fresh gasoline.
4. Prime engine as instructed in the Engine
Operator’s Manual.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to restart; do not
prime.
8. Open fuel valve. See Engine Operator’s Manual.
9. Choke engine. See Engine Operator’s Manual.
Engine fails to start with
electric starter
(Electric Start Units Only)
1. Electric starter push key not fully inserted.
2. Battery not charged.
3. Circuit breaker tripped.
4. Battery pack temperature too hot or current
draw too high. (Briggs & Stratton Electric
Start Units Only)
1. Insert electric starter push key into starter
housing until it snaps into place.
2. Charge battery.
3. Debris may be blocking blade operation. Stop
engine, remove electric starter push key, and
disconnect spark plug boot. Verify grass or other
debris are not obstructing the blade. Carefully
clean out debris if necessary. Reattach spark plug
boot and reinsert electric starter push key. Wait
one minute after tripping for circuit breaker to
automatically self-reset then reattempt start.
4. Allow battery to cool. Battery does not have a
fuse but will automatically reset after 10 seconds.
Engine runs erratic
1. Spark plug boot loose.
2. Blocked fuel line or stale fuel.
3. Vent in gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Unit running with CHOKE (if equipped)
applied.
1. Connect and tighten spark plug boot.
2. Clean fuel line; fill tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Refer to Engine Operator’s Manual.
6. Push CHOKE knob in.
Engine overheats
1. Engine oil level low.
2. Air flow restricted.
1. Fill crankcase with proper oil.
2. Clean area around and on top of engine.
