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Problem
Engine misfires
Engine stops
suddenly
Engine knocks
Engine backfires
Does not produce
high pressure
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.
SKU 97553
For technical questions, please call 1-800-444-3353.
troubleshooting
Possible causes
1.
Spark plug wire loose.
2.
Incorrect spark plug gap or
damaged spark plug.
3.
Defective spark plug wire.
4.
Old or low quality gasoline.
5.
Incorrect compression.
1.
Low oil shutdown.
2.
Fuel tank empty or full of impure or
low quality gasoline.
3.
Defective fuel tank cap creating
vacuum, preventing proper fuel
flow.
4.
Faulty magneto.
1.
Old or low quality gasoline.
2.
Engine overloaded.
3.
Incorrect spark timing, deposit
buildup, worn engine, or other
mechanical problems.
1.
Impure or low quality gasoline.
2.
Engine too cold.
3.
Intake valve stuck or overheated
engine.
1.
Diameter of water supply hose too
small.
2.
Water supply is restricted.
3.
Not enough water supply.
Probable solutions
1.
Check wire connections.
2.
Re-gap or replace spark plug.
3.
Replace spark plug wire.
4.
Use only fresh 86+ octane
unleaded gasoline.
5.
Diagnose and repair compression.
(Use engine will not start:
cOMPressiOn reLated
section.)
1.
Fill engine oil to proper level.
Check engine oil before EVERY
use.
2.
Fill fuel tank with fresh 86+ octane
unleaded gasoline.
3.
Test/replace fuel tank cap.
4.
Have qualified technician service
magneto.
1.
Fill fuel tank with fresh 86+ octane
unleaded gasoline.
2.
Do not exceed equipment's load
rating.
3.
Have qualified technician diagnose
and service engine.
1.
Fill fuel tank with fresh 86+ octane
unleaded gasoline.
2.
Use cold weather fuel and oil
additives to prevent backfiring.
3.
Have qualified technician diagnose
and service engine.
1.
Replace hose with a ¾ Inch hose.
2.
Check water supply hose for kinks,
leaks, or blockage.
3.
Open water faucet all the way.
Page 20
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