Troubleshooting
Problem
Engine Fails to start
Engine runs erratic
].
2.
3.
4.
Cause
Blade control disengaged. 1.
Spark plug boot disconnected. 2.
Fuel tank empty or stale fuel. 3.
Engine not primed 0fequipped with primer). 4.
Remedy
Engage blade control.
Connect wire to spark boot.
Fill tank with clean, fresh gasoline.
Prime engine as instructed in the Operation
section.
5. Faulty spark plug.
6. Blocked fuel line.
Z Engine flooded.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to restart, but do not
prime (if equipped).
8. Engine not choked 0fequlpped with choke).
1. Spark plug boot loose.
2. Blocked fuel line or stale fuel.
3,
4.
5.
6.
Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Unit running with CHOKE (if equipped)
applied.
Engine oil level low.
Air flow restricted.
Spark plug gap too close.
8. Choke engine as instructed in the Operation
section.
1. Connectand 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. Referto engine maintenance section.
6. Push CHOKE knob in.
Engine overheats 1. 1. Fill crankcase with proper oil.
2. 2. Clean area around and on top of engine.
Occasional skips 1. 1. Adjust gap to .030".
(hesitates) at
high speed
Idles poorly 1. Spark plug fouled, faulty, or gap too wide. 1.
2. Dirty air cleaner. 2.
Excessive Vibration 1. Cutting blade loose or unbalanced. 1.
2. Bent cutting blade. 2.
Mower will not 1. Wet grass. 1.
mulch grass
2. Excessively high grass.
3. Dull blade.
1. Wheels not positioned correctly.
Uneven cut
2. Dull blade.
2.
3.
1.
2,
Reset gap to .030" or replace spark plug.
Refer to engine maintenance section.
Tighten blade and adapter. Balance blade.
See an authorized service dealer.
Do not mow when grass is wet; wait until
later to cut.
Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting path.
Sharpen or replace blade.
Place all four wheels in same height posttion
(if equipped with individual height adjusters).
Sharpen or replace blade.
'°1
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