Troubleshooting
Problem Possible Cause Corrective Action
The mower does not 1. The engine does not run at 1. Correct the engine speed.
hover the correct speed.
2. Air vents are clogged with 2. Clean and unclog.
grass clippings and debris.
3. Impeller f ins and underside 3. Remove the impeller. Thoroughly
of the deck are clogged clean the impeller and the deck.
with grass and debris.
Engine runs rough 1. The wire is not connected 1. Connect the wire to the spark plug.
to the spark plug.
2. The spark plug is pitted, 2. Check the spark plug and adjust the gap
fouled or the gap is if necessary. Replace the spark plug
incorrect. if it is pitted, fouled or cracked.
3. The throttle lever is not in 3. Move the throttle lever to the Run
the Run position. position.
4. The air f ilter element is 4. Clean the air f ilter element or
dirty and is restricting the replace the air f ilter.
air f low.
Mower or engine 1. The cutter disc is bent or 1. Replace the cutter disc.
vibrates excessively warped.
2. The blade attachment bolts 2. Tighten the blade attachment bolts.
are loose or missing.
3. The underside of the lawn 3. Clean the underside of the lawn
mower deck contains clip- mower deck.
pings and debris.
4. Cut Height Adjustment 4. Remount and tighten properly.
spacers are not properly
mounted.
5. The engine mounting bolts 5. Tighten the engine mounting bolts.
are loose.
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