A-iPower SUA9000E, Owner'S Manual

Problem

Possible Causes

Probable Solutions

Engine will not start

FUEL RELATED:

1.

No fuel in tank or fuel valve is in “OFF” position.

3.

Choke not in START position, cold engine.

2.

Low quality, stale, dirty or deteriorated gasoline.

4.

Carburetor not primed.

5.

Dirty fuel passageways.

6.

Carburetor needle stuck. 

Fuel can be smelled in the air.

7.

Too much fuel in chamber. This can be caused 

by the carburetor needle sticking.

9.

Clogged Fuel Filter.

FUEL RELATED:

1.

Fill fuel tank with fresh 87+ octane unleaded 

stabilizer-treated gasoline and turn fuel valve to 

“ON” position.

Do not use gasoline with more than 10% ethanol 

(E15, E20, E85, etc.).  

3.

Move Choke to START position.

2.

4.

Pull on Starter Handle to prime.

5.

Clean out passageways using fuel additive.  

Heavy deposits may require further cleaning.

6.

Gently  tap side of carburetor float 

chamber with screwdriver handle.

7.

Turn Choke to RUN position.  Remove 

spark plug and pull the start handle several 

times to air out the chamber.  Reinstall 

spark plug and set Choke to START position.

9.

Replace Fuel Filter.

8.

Intake valve stuck open or closed.

8.

Call customer servise: 1-855-888-3598.

Drain fuel tank and carburetor; fill with fresh 

fuel.

IGNITION (SPARK) RELATED:

1.

Spark plug cap not connected securely.

2. Spark

plug electrode wet or dirty.

3. Incorrect spark plug gap.

4. Spark plug cap broken.

5. Incorrect spark timing or faulty ignition system.

IGNITION (SPARK) RELATED:

1. Connect spark plug cap properly.

2. Clean spark plug.

3. Correct spark plug gap.

4. Replace spark plug cap.

5. Have qualified technician diagnose/

repair ignition system.

COMPRESSION RELATED:

1. Cylinder not lubricated.  

Problem after long storage periods.

2. Loose or broken spark plug.  

(Hissing noise will occur 
when trying to start.)

3. Loose cylinder head or damaged head gasket.  

(Hissing noise will occur when trying to start.)

4. Engine valves or tappets mis-adjusted or stuck.

ENGINE OIL RELATED:

1. Low engine oil.

2. Engine mounted on slope, 

triggering low oil shutdown.

COMPRESSION RELATED:

1. Pour tablespoon of oil into spark plug 

hole.  Crank engine a few times 
and try to start again.

2. Tighten spark plug.  

If that does not work, replace spark plug.  
If problem persists, may have head 
gasket problem, see #3.

3. Tighten head.  

If that does not remedy problem, 
replace head gasket.

4. Have qualified technician adjust/

repair valves and tappets.

ENGINE OIL RELATED:

1. Fill engine oil to proper level.

Check engine oil before EVERY use.

2. Operate engine on level surface. 

Check engine oil level.

Engine lacks power

Engine "hunts" 
or falters

1. Carburetor is running too rich or too lean.
2. Clogged or dirty fuel filter.

1. Cylinder pressure is low.

1. Call Customer Service: 1-855-888-3598.
2. Clean or replace fuel filter. 

1. Call Customer Service: 1-855-888-3598.

2. Dirty air filter.

2. Clean or replace fuel filter. 

16