25
PROBLEM
CAUSE
CORRECTION
Will not start
1
Out of fuel.
1
Fill fuel tank.
2
Bad spark plug.
2
Replace spark plug.
3
Dirty air filter.
3
Clean/replace air filter.
4
Water in fuel.
4
Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
5
Loose or damaged wiring.
5
Check all wiring.
6
Engine valves out of adjustment.
6
Contact a qualified service center.
Hard to start
1
Dirty air filter.
1
Clean/replace air filter.
2
Bad spark plug.
2
Replace spark plug.
3
Weak or dead battery.
3
Recharge or replace battery.
4
Stale or dirty fuel.
4
Empty fuel tank and refill tank
with fresh, clean gasoline.
5
Loose or damaged wiring.
5
Check all wiring.
6
Engine valves out of adjustment.
6
Contact a qualified service center.
Engine will not
turn over
1
Clutch/brake pedal not depressed.
1
Depress clutch/brake pedal.
2
Deck clutch is engaged.
2
Disengage deck clutch.
3
Weak or dead battery.
3
Recharge or replace battery.
4
Blown fuse.
4
Replace fuse.
5
Corroded battery terminals.
5
Clean battery terminals.
6
Loose or damaged wiring.
6
Check all wiring.
7
Faulty ignition switch.
7
Check/replace ignition switch.
8
Faulty solenoid or starter.
8
Check/replace solenoid or starter.
9
Faulty operator presence switch(es).
9
Contact a qualified service center.
Engine clicks but
will not start
1
Weak or dead battery.
1
Recharge or replace battery.
2
Corroded battery terminals.
2
Clean battery terminals.
3
Loose or damaged wiring.
3
Check all wiring.
4
Faulty solenoid or starter.
4
Check/replace solenoid or starter.
Loss of power
1
Cutting too much grass/too fast.
1
Raise cutting height/reduce speed.
2
Build-up of grass, leaves and trash
under mower.
2
Clean underside of mower
housing.
3
Dirty air filter.
3
Clean/replace air filter.
4
Low oil level/dirty oil.
4
Check oil level/change oil.
5
Faulty spark plug.
5
Clean & regap or change spark plug.
6
Stale or dirty fuel.
6
Empty fuel tank and refill tank
with fresh, clean gasoline.
7
Water in fuel.
7
Empty fuel tank and carburetor,
refill tank with fresh gasoline.
8
Spark plug wire loose.
8
Connect & tighten spark plug wire.
9
Dirty engine air screen/fins.
9
Clean engine air screen/fins.
10
Dirty/clogged muffler.
10
Clean/replace muffler.
11
Loose or damaged wiring.
11
Check all wiring.
12
Engine valves out of adjustment.
12
Contact a qualified service center.
Excessive vibration
1
Worn, bent or loose blade.
1
Replace blade. Tighten blade
bolt.
2
Bent blade mandrel.
2
Contact a qualified service center.
3
Loose/damaged part(s).
3
Tighten loose part(s).
Replace damaged parts.
TROUBLESHOOTING CHART:
