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9
Trouble
Shooting
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
CauseProblem Remedy
Engine fails to start
1. PTO engaged.
2. Spark plug wire(s) disconnected.
3. Fuel tank empty or stale fuel.
4. Choke not activated.
5. Faulty spark plug.
6. Blocked fuel line.
7. Engine flooded.
8. Parking brake not engaged.
9. Throttle control lever not in correct
starting position.
1. Place PTO knob in disengaged
(OFF) position.
2. Connect wire(s) to spark plug(s).
3. Fill tank with clean, fresh gasoline.
4. Pull out the CHOKE control (if so
equipped) or place the throttle
control in CHOKE position.
5. Clean, adjust gap, or replace.
6. Clean fuel line or replace fuel
filter, if so equipped.
7. Crank engine with throttle in FAST
position.
8. Engage parking brake.
9. Place throttle lever to FAST
position.
Engine runs erratic
1. Push CHOKE control in.
2. Connect and tighten spark
plug wire(s).
3. Clean fuel line; fill tank with clean,
fresh (less than 30 days old)
gasoline. Replace fuel filter, if so
equipped.
4. Clear vent or replace if damaged.
5. Drain fuel tank. Refill with
fresh fuel.
6. Replace air cleaner cartridge/ele-
ment or clean pre-cleaner, if so
equipped.
1. Unit running with CHOKE applied.
2. Spark plug wire(s) loose.
3. Blocked fuel line or stale fuel.
4. Vent in gas cap plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
Engine overheats
1. Fill crankcase with proper oil.
2. Clean grass clippings and debris
from around the engine’s cooling
fins and blower housing.
1. Engine oil level low.
2. Air flow restricted.
Engine hesitates at
high RPM
1. Remove spark plug(s) and reset
the gap.
1. Spark plug(s) gap too close.
Engine Idles poorly
1. Replace spark plug(s). Set plug(s)
gap.
2. Replace air cleaner cartridge/ele-
ment or clean pre-cleaner, if so
equipped.
1. Spark plug(s) fouled, faulty or gap
too wide.
2. Dirty air cleaner.