Page 37 — English
Problem Possible Cause Solution
Engine will not
start.
No spark.
Engine is flooded.
Clean or replace spark plug. Reset spark plug gap. Refer
to Spark Plug Replacement earlier in this manual.
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. Push and fully release primer bulb 10
times. Pull starter grip and rope 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 prop-
erly 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.
Spark arrestor
screen 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.
Clean spark arrestor screen. Refer to Inspecting/Clean-
ing the Spark Arrestor Screen in the Maintenance sec-
tion of this manual.
Contact an authorized service center for carburetor
adjustment.
Chain specifications: 0.325 pitch, .05 in. chain gauge
Length of Bar Guide Bar Part Number Chain Part Number Drive Links
18 in. 311029001 902703001 72 link
20 in. 311030001 902704001 78 link
TROUBLESHOOTING
BAR AND CHAIN COMBINATIONS
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