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Troubleshooting
Problem
Engine will not start, starts hard, or
g
fails to keep running.
f il
k
i
Engine loses power.
g
Engine overheats.
g
Machine does not drive.
Possible Causes
1.
Fuel tank is empty.
2.
Choke is not on.
3.
Air cleaner is dirty.
4.
Spark plug wire is loose or
disconnected.
5.
Spark plug is pitted, fouled, or
gap is incorrect.
6.
Dirt in fuel filter.
7.
Dirt, water, or stale fuel is in
fuel system.
1.
Engine load is excessive.
2.
Air cleaner is dirty.
3.
Oil level in crankcase is low.
4.
Cooling fins and air passages
under engine blower housing
are plugged.
5.
Spark plug is pitted, fouled, or
gap is incorrect.
6.
Vent hole in fuel cap is
plugged.
7.
Dirt in fuel filter.
8.
Dirt, water, or stale fuel is in
fuel system.
1.
Engine load is excessive.
2.
Oil level in crankcase is low.
3.
Cooling fins and air passages
under engine blower housing
are plugged.
1.
Shift lever is in neutral.
2.
Traction belt is worn, loose or
broken.
3.
Traction belt is off pulley.
39
Corrective Action
1.
Fill fuel tank with gasoline.
2.
Move choke lever to on.
3.
Clean or replace air cleaner
element.
4.
Install wire on spark plug.
5.
Install new, correctly gapped
spark plug.
6.
Replace fuel filter.
7.
Contact Authorized Service
Dealer.
1.
Reduce ground speed.
2.
Clean air cleaner element.
3.
Add oil to crankcase.
4.
Remove obstruction from
cooling fins and air passages.
5.
Install new, correctly gapped
spark plug.
6.
Clean or replace the fuel cap.
7.
Replace fuel filter.
8.
Contact Authorized Service
Dealer.
1.
Reduce ground speed.
2.
Add oil to crankcase.
3.
Remove obstruction from
cooling fins and air passages.
1.
Move shift lever to a drive
gear position.
2.
Change Belt.
3.
Change Belt.
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