TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
IFTHESE SOLUTIONS DO NOT SOLVETHE PROBLEM CONTACTYOUR AUTHORIZED SERVICE
AGENT
.
1. Check spark. Remove spark plug. Reattach
the spark plug cap and lay spark plug on metal
cylinder. Pull the starter rope and watch for
spark at spark plug tip. If there is no spark,
repeat test with a new spark plug.
2. Push primer bulb until bulb is full of fuel. If
bulb does not fill, primary fuel delivery system
is blocked. Contact a service
agent
. If primer
bulb fills, engine may be flooded (see next
item).
3. Remove spark plug, turn trimmer so spark plug
hole is aimed at the ground. Move choke lever
to “RUN” and pull starter cord 10 to 15 times.
This will clear excess fuel from engine. Clean
and reinstall spark plug. Pull starter three
times with choke lever at “RUN”. If engine
does not start, move choke lever to “CHOKE”
and repeat normal starting procedure. If engine
still fails to start, repeat procedure with a new
spark plug.
4. Contact a service
agent
.
Turn “
H
” needle
counterclockwise
1/16 turn. If
“
L
” low needle (26) can not be turned counterclock-
wise, do not force plastic limiter caps. Contact a
service
agent
. (Fig. 18)
Turn “
H
” needle
counterclockwise
1/16 turn. If
“
H
” high needle (45) can not be turned counterclock-
wise, do not force plastic limiter caps. Contact a
service
agent
. (Fig. 18)
1. Use fresh fuel and the correct 2-
stroke
oil mix.
2. Clean the air filter. Refer to “Replacing and
Cleaning the Air Filter ” earlier in this manual.
3. Turn “
H
” needle clockwise 1/16 - 1/8 turn.
Turn idle speed screw (19) clockwise to increase idle
speed.
1. Lubricate with silicone spray.
2. Install more line. Refer to “Line Replace-
ment” earlier in this manual.
3. Pull line while alternately pressing down on
and releasing bump knob.
4. Remove line from spool and rewind. Refer to
“Line Replacement” earlier in this manual.
5. Advance line at full throttle.
Engine will not start:
Engine starts but will not
accelerate:
Engine starts but will only
run at high speed at half
choke:
Engine does not reach full
speed and emits excessive
smoke:
Engine starts, runs, and
accelerates but will not idle:
Line will not advance:
1. No spark.
2. No fuel.
3. Flooded engine.
4. Starter rope pulls harder now than
when new.
Carburetor requires adjustment.
Carburetor requires adjustment.
1. Check oil fuel mixture.
2. Air filter dirty.
3. Carburetor requires adjustment.
Carburetor requires adjustment.
1. Line welded to itself.
2. Not enough line on spool.
3. Line worn too short.
4. Line tangled on spool.
5. Engine speed too slow.
(Fig. 18)
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8
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