Problem
Possible Cause
Corrective Action
1. The wire is not
connected to the spark
plug.
1. Connect the wire to the
spark plug.
2. The spark plug is pitted,
fouled, or the gap is
incorrect.
2. Check the spark plug
and adjust the gap if
necessary. Replace the
spark plug if it is pitted,
fouled, or cracked.
3. The throttle lever is not
in the Fast position.
3. Move the throttle lever
to the Fast position.
Engine runs rough
4. The air lter element is
dirty and is restricting
the air ow.
4. Clean the air lter
pre-cleaner and/or
replace the paper air
lter.
1. The blade is bent or is
out of balance.
1. Balance the blade. If the
blade is bent, replace it.
2. The blade mounting
nuts are loose.
2. Tighten the blade
mounting nuts.
3. The underside of the
mower housing contains
clippings and debris.
3. Clean under the mower
housing.
Lawn mower or engine
vibrates excessively
4. The engine mounting
bolts are loose.
4. Tighten the engine
mounting bolts.
1. All 4 wheels are not at
the same height.
1. Place all 4 wheels at the
same height.
2. The blade is dull.
2. Sharpen and balance the
blade.
3. You are mowing in the
same pattern repeatedly.
3. Change the mowing
pattern.
Uneven cutting pattern
4. The underside of the
mower housing contains
clippings and debris.
4. Clean under the mower
housing.
1. The self-propel
drive cable is out
of adjustment or is
damaged.
1. Adjust the self-propel
drive cable. Replace the
cable if necessary.
Mower does not self-propel
2. There is debris under the
belt cover.
2. Clean the debris from
under the belt cover.
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