Harbor Freight Tools GREYHOUND 65761 - Manual (Page 19)

SKU 65761 For technical questions, please call 1-800-444-3353. Page 19
troubleshooting
problem possible causes probable solutions
engine will not
start
FUEL RELATED:
No fuel in tank or fuel valve closed. 1.
Choke not in start position, 2.
especially with cold engine.
Low quality or deteriorated, old
3.
gasoline.
Carburetor not primed.
4.
Dirty fuel passageways blocking fuel 5.
flow.
Carburetor needle stuck. Fuel can 6.
be smelled in the air.
Too much fuel in chamber. This can
7.
be caused by the carburetor needle
sticking.
FUEL RELATED:
Fill fuel tank and open fuel valve. 1.
Move choke to start position if 2.
engine is cold.
Use only fresh 89+ octane unleaded
3.
gasoline.
Prime carburetor by pressing
4.
priming bulb specified number of
times (if equipped).
Clean out passageways using
5.
fuel additive. Heavy deposits may
require further cleaning.
gently
6. tap side of carburetor float
chamber with screwdriver handle.
Turn choke to run position and close
7.
fuel valve. Remove spark plug and
pull the start handle several times to
air out the chamber. Reinstall spark
plug and set choke to start position.
IGNITION (SPARK) RELATED:
Spark plug wire not connected 1.
securely.
Spark plug electrode wet or dirty.
2.
Incorrect spark plug gap. 3.
Spark plug wire or spark plug 4.
broken.
Incorrect spark timing or faulty
5.
ignition system.
IGNITION (SPARK) RELATED:
Connect spark plug wire properly. 1.
Clean spark plug. 2.
Correct spark plug gap. 3.
Replace spark plug wire and/or 4.
spark plug.
Have qualified technician diagnose/
5.
repair ignition system.
COMPRESSION RELATED:
Cylinder not lubricated. Problem 1.
after long storage periods.
Loose or broken spark plug. 2.
(Hissing noise will occur when trying
to start.)
Loose cylinder head or damaged 3.
head gasket. (Hissing noise will
occur when trying to start.)
Engine valves or tappets
4.
misadjusted or stuck.
COMPRESSION RELATED:
Pour tablespoon of oil into spark 1.
plug hole. Crank engine a few times
and try to start again.
Tighten spark plug. If that does not
2.
work, replace spark plug. If problem
persists, may have head gasket
problem, see #3.
Tighten head. If that does not
3.
remedy problem, replace head
gasket.
Adjust valve clearance. If that does
4.
not work, clean or replace valves/
tappets.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.