SECTION 4- ENGINE TROUBLESHOOTING

SYMPTOM

Engine
does not
start..
Engine
Starts Hard
or Loses
Power.
Engine
Runs
Erratically.
Engine
Idles Poorly.
Engine
Overheats.
Machine
Vibrates
Excessive.
Engine
Dies.

PROBLEM

Key OFF.
Fuet Tank empty.
Fuel Shut-Off Closed.
Engine Throttle Control not at FAST
(Rabbit) position.
Choke NOT closed.
Spark Plug Wire loose or disconnected.
Blade Clutch Switch in ON position.
Spark Plug bad.
Dirty Air Filter.
Traction Controls not Latched in Neutral.
Dirt or water Fuel Tank.
Air Filter dirty.
Spark Plug not gapped correctly.
Spark Plug bad.
Spark Plug bad.
Spark Plug not gapped correctly.
Fuel Filter plugged or dirty.
Dirty Air Filter.
Fuel Filter plugged
Engine Oil low in Crankcase.
Cooling Fins & Flywheel Screen Clogged.
Blade Mounting Bolts loose.
Blade out of balance.
Engine Mounting Bolts loose.
Mowing grass too tail.
Mowing too fast.

SOLUTION PAGE

Turn Keyto Run. 12
Fill Fuel Tank. 11
Open Fuel Shut-Off. 12
Put Engine Throttle Control to FAST (Rabbit) 12
position.
Put Throttle Control in CHOKE position. 12
Connect Spark Plug Wire. (See Engine Manual)
Move Blade Clutch switch to OFF position. 6
Install new Spark Plug. (See Engine Manual)
Clean Air Filter. (See Engine Manual)
Move Traction Controls to NEUTRAL & 12
Engage Neutral Latch Lever
Drain and clean Fuel Tank, fill with fresh
Fuel. 11
Clean or install new Air Filter. (See Engine Manual)
Check and set Spark Plug gap. (See Engine Manual)
Install new Spark Plug. (See Engine Manual)
Install new Spark Plug.
Check and gap spark plug gap.
Replace Fuel Filter.
Clean or replace Filter.
Replace Fuel Filter.
(See Engine Manuai)
(See Engine Manual)
(See Engine Manual)
Add Oil. (See Engine Manual)
Clean Fins & Screen
Tighten Blade Mounting Bolts.
Sharpen and balance Blade.
Tighten Mounting Bolts. (See
16, 25
25
Engine Manual)
Adjust cutting height. 16, 17
Reduce traveI speed. 13
18