TROUBLESHOOTING
Engine Fails to start
1. Blade control disengaged (lawn mower only).
• Engage blade control.
2. Spark plug boot disconnected.
• Connect wire to spark boot.
3. Fuel tank empty or stale fuel.
• Fill tank with clean, fresh gasoline.
4. Fuel shut-off valve closed (if equipped).
• Turn on fuel shut-off valve.
5. Engine not primed (if equipped with primer).
• Prime engine as instructed in the Operation section.
6. Faulty spark plug.
• Clean, adjust gap, or replace.
7. Reduced fuel flow/Blocked fuel filter.
• Replace fuel filter as instructed in the Maintenance
section.
8. Engine flooded.
• Wait a few minutes to restart, but do not prime.
9. Engine not choked (if equipped with choke).
• Choke engine.
Engine fails to start with electric starter
(Electric Start Units Only)
1. Electric starter push key not fully inserted.
• Insert electric starter push key into starter housing until it
snaps into place.
2. Battery not charged.
• Charge battery. See Service section of equipment
Operator's Manual.
3. Circuit breaker tripped.
• 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.
SERVICE AND MAINTENANCE
14
Engine runs erratic
1. Spark plug boot loose.
• Connect and tighten spark plug boot.
2. Reduced fuel flow/Blocked fuel filter.
• Replace fuel filter as instructed in the Service and
Maintenance section.
3. Vent in gas cap plugged (if equipped).
• Clear vent.
4. Water or dirt in fuel system.
• If necessary use fuel siphon to drain fuel tank. Refill with
fresh fuel.
5. Dirty air cleaner.
• Refer to Service and Maintenance section.
6. Unit running with CHOKE (if equipped) applied.
• Push CHOKE knob in.
Engine overheats
1. Engine oil level low.
• Fill crankcase with proper oil.
2. Air flow restricted.
• Clean area around and on top of engine.
Occasional skips (hesitates) at high speed
1. Spark plug gap too close.
• Adjust gap to .030".
Idles poorly
1. Spark plug fouled, faulty, or gap too wide.
• Reset gap to .030" or replace spark plug.
2. Dirty air cleaner.
• Refer to Service and Maintenance section.
Engine stalls with full tank
1. Carbon filter in fuel cap is dirty or blocked (if equipped).
• Replace fuel cap.