Troubleshooting – Homelite UT10585 User Manual
Page 38
Page 38 — English
TROUBLESHOOTING
Problem
Possible Cause
Solution
Engine will not 
start. [Make sure 
ignition switch is in 
the 
RUN ( l ) posi-
tion.]
No spark.
 
Engine is flooded.
 
 
Clean or replace spark plug. Reset spark plug gap. Refer 
to 
Spark Plug Replacement earlier in this manual.
With the ignition switch
OFF, remove spark plug. Move
choke lever to
RUN position (pushed in completely) and
pull starter cord 15 to 20 times. This will clear excess 
fuel from engine. Clean and reinstall spark plug. Set igni-
tion switch to
RUN ( l ) position. Push and fully release
primer bulb 7 times. Pull starter three times with choke 
lever at 
RUN. If engine does not start, move choke lever
to
FULL CHOKE and repeat normal starting procedure.
If engine still fails to start, repeat procedure with a new 
spark plug.
Engine starts but 
will not accelerate 
properly.
Carburetor requires
“L” (Low Jet)
adjustment.
Contact an authorized service center for carburetor 
adjustment.
Engine starts, then 
dies.
Carburetor requires
“L” (Low Jet)
adjustment.
Contact an authorized service center for carburetor 
adjustment.
Engine starts but 
will not run proper-
ly at high speed.
Carburetor requires
“H” (High Jet)
adjustment.
Contact an authorized service center for carburetor 
adjustment.
Engine does not 
reach full speed 
and/or emits ex-
cessive smoke.
Lubricant/fuel 
mixture incorrect.
Air filter is dirty.
 
Carburetor requires 
“H” (High Jet)
adjustment.
Use fresh fuel and the correct 2-cycle lubricant mix 
ratio.
Clean air filter. Refer to
Cleaning the Air Filter in the
Maintenance section of this manual.
Contact an authorized service center for carburetor 
adjustment.