MTD 450 - Manual (Page 20)

0
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
10
Trouble
Shooting
Cause Problem Remedy
Engine fails to start 1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Throttle control lever not in correct
starting position (if equipped)
4. Choke not in ON position.
5. Blocked fuel line.
6. Faulty spark plug.
7. Engine flooding.
1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Move throttle lever to start position.
4. Move lever to ON position.
5. Clean fuel line.
6. Clean, adjust gap, or replace.
7. Wait a few minutes to restart, but do
not prime (if equipped)
Engine runs erratic 1. Connect and tighten spark
plug wire.
2. Move choke lever to OFF.
3. Clean fuel line; fill tank with clean,
fresh gasoline.
4. Clear vent.
5. Drain fuel tank. Refill with
fresh fuel.
6. Clean following engine manual.
7. Refer to engine manual.
1. Spark plug wire loose.
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
4. Vent plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
7. Carburetor out of adjustment.
Engine overheats 1. Fill crankcase with proper oil.
2. Clean air cleaner.
3. Remove blower housing and clean.
4. Refer to engine manual. 1. Engine oil level low.
2. Dirty air filter.
3. Air flow restricted.
4. Carburetor not adjusted properly.
Tines do no engage 1. Stop tiller completely, check and
discard foreign object.
2. Replace tine clevis pin(s).
3. Replace belt.
4. Take unit to authorized service
1. Foreign object lodged in tines.
2. Tine clevis pin(s) missing.
3. Belt worn and/or stretched.
4. Pulley and idler not in correct adjust-
ment.
NOTE: Specifications are
subject to change without
notification or obligation.
Images my not reflect your
exact model and are for
reference purposes only.