MTD 250 Series - Manual (Page 15)

Problem Cause Remedy
Engine Fails to start 1. Spark plug wire disconnected
2. Fuel tank empty or stale fuel
3. Throttle control lever (if equipped) not in
correct starting position
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 Spark plug wire loose
Unit running on CHOKE
Blocked fuel line or stale fuel
Vent plugged
Water or dirt in fuel system
Dirty air cleaner
Carburetor out of adjustment
1.
2.
3.
4.
5.
6.
7.
Connect and tighten spark plug wire
Move choke lever to OFF
Clean fuel line; fill tank with clean, fresh
gasoline
Clear vent
Drain fuel tank. Refill with fresh fuel
Clean following engine manual
Refer to engine manual
1.
2.
3.
4.
5.
6.
7.
Engine overheats Engine oil level low
Dirty air filter
Air flow restricted
Carburetor not adjusted properly
1.
2.
3.
4.
Fill crankcase with proper oil
Clean air cleaner
Remove blower housing and clean
Refer to engine manual
1.
2.
3.
4.
Tines do no engage Foreign object lodged in tines
Tine clevis pin(s) missing
Belt worn and/or stretched
Pulley and idler not in correct adjustment
1.
2.
3.
4.
Stop tiller completely, check and discard
foreign object
Replace tine clevis pin(s)
Replace belt
Take unit to authorized service
1.
2.
3.
4.
Troubleshooting
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