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Copyright © 2012 MAT Engine Technologies, LLC
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Engine difficult to start
1. Out of fuel
2. Engine Switch Off
3. Engine is not primed
4. Spark plug wire disconnected
5. Fouled spark plug
6. Dirty Carburetor
7. Clogged air filter
8. Contaminated Fuel
1. Add fresh fuel
2. Turn engine switch on
3. Move choke lever to ON position.
4. Attach spark plug wire to spark plug
5. Remove spark plug. Inspect. Replace if
necessary
6. Take unit to an authorized service center for
Carburetor cleaning
7. Remove and clean air filter
8. Drain fuel tank. Clean fuel tank. Fill with fresh
fuel
Engine Problems
Engine smokes excessively
Engine runs very “rough”
Engine runs erratically
Engine cannot maintain full speed
1. No Engine Oil
2. Engine oil not at proper level
3. Fouled spark plug
4. Clogged air filter
5. Contaminated Fuel
6. Carburetor out of adjustment
1. Add engine oil
2. Check engine oil. Add or drain engine oil if
necessary
3. Remove spark plug. Inspect. Replace if
necessary
4. Remove and clean air filter
5. Drain fuel tank. Clean fuel tank. Fill with fresh
fuel
6. Take unit to an authorized service center for
Carburetor adjustment
Excessive vibration / noise
1. Loose parts
2. Engine problems (above)
3. Abnormal noise or squeal coming from
belt drive
1. Tighten all fasteners
2. Refer to engine solutions (above)
3. Normally due to belt/pulley break in period.
Refer to Belt Tension Adjustment section.
Tines will not rotate
1. Debris interfering with tines
2. Tines loose
3. Improper drive cable adjustment
4. Damaged drive belts
1. Remove debris from around tines
2. Replace tine bolts and nuts
3. Refer to “Belt Tension Adjustment” Section to
decrease belt tension
4. Replace drive belts
Tines continue to rotate when drive
lever is not engaged
1. Improper drive cable adjustment
2. Damaged drive belts
1. Refer to “Belt Tension Adjustment” Section to
decrease belt tension
2. Replace drive belts
Engine will not stop
Check switch
Replace switch
Tines will not cut properly
Tines assembled incorrectly
Refer to “Install the Tines” Section
Frequent engine stalling
1. Excessive tilling speed / depth
2. Engine problems (above)
1. Till at a moderate pace. Make multiple passes.
2. Refer to engine solutions (above)
Troubleshooting
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