MTD 970 Lawn Mower User Manual


 
33
Troubleshooting Guide
If the engine malfunctions, carefully examine the symptoms and the operating conditions, and use the table above
as a guide to troubleshooting.‡ Have an authorized Kawasaki dealer perform these service
Environmental Protection
To protect our environment, properly discard used batteries, engine oil, gasoline, coolant, or other components that
you might dispose of in the future.
Consult your authorized Kawasaki dealer or local environmental waste agency for their proper disposal procedure.
Specifications
Specifications subject to change without notice
Symptom Probable Cause Remedy
Engine won't start
output is low
Insufficient
compression
1. Faulty piston, cylinder, piston ring,
and head gasket
2. Faulty valves
3. Loose spark plug
4. Loose cylinder head bolts
1. Tighten properly
2. Tighten properly
3. Tighten properly
4. Tighten properly
No fuel to
combustion chamber
1. No fuel in fuel tank
2. Blocked rue tube
3. Blocked air vent in fuel tank cap
4. Faulty carburetor
1. Fill fuel tank
2. Clean
3. Clean
4. ‡
Spark plug fouled by
fuel
1. Over-rich fuel/air mixture
2. Clogged air cleaner
3. Faulty carburetor
4. Incorrect grade/type of fuel
5. Water in fuel
1. Slowly pull the recoil starter grip with
spark plug removed to discharge
excess fuel. clean spark plug
2.Clean
3.‡
4. Change Gasoline
5. Change Gasoline
No spark or weak
spark
1. Faulty spark plug
2. Faulty ignition coil
3. Faulty engine switch
1. Replace spark plug
2.‡
3.‡
Low Output Engine Overheats 1. Clogged air cleaner
2. Recoil Starter or cooling air path
clogged with dirt
3. Insufficient engine oil
4. carbon built -up in combustion
chamber
5. Poor ventilation around engine
1. Clean
2. Clean
3. Replenish or change oil
4.‡
5. Select a better location
1. Engine speed
won’t increase
1. Faulty Governor
Type of Engine Air-cooled, 4-stroke OHV, single cylinder, gasoline Engine
Bore X Stroke 65 x 54mm (2.6 x 2.1 in.)
Displacement 179mL (109. cu.in.)
Ignition system Solid-state ignition
Starting system Recoil starter
•Dry weight 13.5kg (29.lb)