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TROUBLESHOOTING
Problem Possible Cause Solution
Engine will not start. No spark.
No fuel.
Engine is flooded.
Starter rope pulls harder now than
when new.
Check spark. Remove spark plug. Re-
attach 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.
Push primer bulb until bulb is full of
fuel. If bulb does not fill, primary fuel
delivery system is blocked. Contact
a servicing dealer. If primer bulb fills,
engine may be flooded, proceed to
next item.
Remove spark plug, turn trimmer so
spark plug hole is aimed at the ground.
Rotate the choke dial to “RUN” posi-
tion 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 dial
at “RUN”. If engine does not start,
rotate choke dial to “FULL CHOKE”
position and repeat normal starting
procedure. If engine still fails to start,
repeat procedure with a new spark
plug.
Contact a servicing dealer.
Engine starts but will not accelerate. Engine requires approximately three
minutes to warm up.
Allow engine to completely warm up. If
engine does not accelerate after three
minutes, contact a servicing dealer.
Engine starts but will only run at high
speed at half choke.
Carburetor requires adjustment. Contact a servicing dealer.
Engine does not reach full speed and
emits excessive smoke.
Check lubricant fuel mixture.
Air filter is dirty.
Carburetor out of adjustment.
Use fresh fuel and the correct 2-cycle
lubricant mix.
Clean air filter. Refer to Cleaning
the Air Filter Screen earlier in this
manual.
Contact a servicing dealer.
Engine starts, runs, and accelerates
but will not idle.
Idle speed screw on carburetor needs
adjustment.
Turn idle speed screw clockwise to
increase idle speed. See figure 19.