16 BriggsandStratton.com
Troubleshooting
The Engine will not start.
1. Make sure the fuel tank is fi lled with clean fuel. Do not use old
fuel.
2. On a cold engine, push the primer button (optional on some
models) three times.
3. Make sure the wire for the spark plug is connected to the
spark plug.
4. There is too much fuel in the engine cylinder. Remove and dry
the spark plug. Pull the recoil starter handle several times. In-
stall the spark plug. Connect the wire to the spark plug. Start
the engine.
5. The engine is diffi cult to start in heavy or high grass. Move the
mower to a clean dry surface.
6. Make sure the engine stop lever is in the operating position.
7. Make sure the fuel valve is in the ON position.
The Engine will not stop.
1. Release the engine stop lever.
2. Check the engine stop cable. Replace the cable if bent or
damaged.
The Engine performance is bad.
1. Check the height of cut settings. Raise the height of cut if the
grass is high.
2. Check the bottom of the blade housing. Clean the blade hous-
ing of grass and other debris.
3. Check the wire to the spark plug. Make sure the wire is con-
nected.
4. Clean the engine cooling fi ns of grass and other debris.
6. Check the spark plug gap. Set the spark plug gap at 0.76 mm
(0.030 in).
7. Check the amount of oil in the engine. Fill with oil if necessary.
8. Check the engine air cleaner.
9. The fuel is bad. Drain and clean the fuel tank. Fill the fuel tank
with clean fuel.
Excessive Vibration
1. The blade is not balanced. Remove the blade and replace with
a factory replacement blade.
2. Check for a bent or broken blade. A damaged blade is danger-
ous and must be replaced.
3. Check the blade adapter. Replace a broken blade adapter.
4. If the vibration continues, take the mower to an authorized
service dealer.
The grass will not discharge correctly.
1. Clean the bottom of the mower housing.
2. Check for a badly worn blade. Remove and sharpen the
blade. For safety, replace the blade every two years with a
factory replacement blade.
The grass is not cut even.
1. Check the height adjustment at each wheel. The height
adjustment must be the same for each wheel.
2. Make sure the blade is sharp.
3. Check for a bent or broken blade. A damaged blade is dan-
gerous and must be replaced.
4. Check for a broken blade adapter. Replace a broken blade
adapter.
5. Move the throttle control (if equipped) to the fast or start
position.
6. Check the throttle control (if equipped). Make sure that the
throttle control is not in the choke position.
7. Move the throttle control (if equipped) to the fast position.
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