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GB TROUBLE SHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICING DEALER.
Problem
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:
B
A
*Note: The carburetor adjustment needle(s) are equipped with plastic cap(s) that prevents counterclockwise rotation from the original factory
adjustment. If your unit exhibits specific performance problem(s) where the Trouble Shooting Section recommends a counterclockwise needle
adjustment and no adjustments have been made since original purchase, the unit should be taken to a factory authorized service center for
repair. In most cases, the needed adjustment is a simple task for the factory trained service representative.
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Possible Cause
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.
4. Spark arrestor screen dirty.
Carburetor requires adjustment.
Solution
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 until fuel is
visible in the bulb. If fuel is not apparent,
the primary fuel delivery system is
blocked. Contact a servicing dealer. 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 servicing dealer.
*Turn "L" needle (A) counterclockwise 1/16
turn. If "L" low needle (A) can not be turned
counterclockwise, do not force plastic limiter
caps. Contact a servicing dealer.
*Turn "H" needle (B) counterclockwise 1/16
turn. If "H" high needle (B) can not be turned
counterclockwise, do not force plastic limiter
caps. Contact a servicing dealer.
1. Use fresh fuel and the correct 2-cycle oil
mix.
2. Clean per instructions in Maintenance Sec-
tion.
3. Turn "H" (B) needle clockwise
1/16 turn.
4. Contact a servicing dealer.
Turn idle speed screw (C) clockwise to increase idle
speed.
C
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