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IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORIZED SERVICING DEALER.
PROBLEM
Engine fails to start.
Engine hard to start.
Engine lacks power.
Engine overheats.
Engine starts, runs, and accelerates
but will not idle
Engine emits too much smoke
Engine rope cannot be pulled
TROUBLESHOOTING
CAUSE
No fuel in tank.
Spark plug shorted or fouled.
Spark plug is broken. (cracked
porcelain or electrodes broken)
Ignition lead wire shorted, broken, or
disconnected from spark plug.
Ignition inoperative.
Water in gasoline or stale fuel mixture.
Engine is under or over choked.
Weak spark at spark plug.
Air filter clogged.
Insufficient lubricant in fuel mixture.
Idle speed screw on carburetor needs
adjustment.
Too much oil in crankcase.
Oil has entered the combustion
chamber.
12 - English
REMEDY
Fill tank.
Replace spark plug.
Replace spark plug.
Replace lead wire or attach to spark
plug.
Contact authorized service center.
Drain entire system and refill with fresh
fuel.
Adjust choke as necessary.
Contact authorized service center.
Clean air filter. Refer to Cleaning the
Air Filter Screen earlier in this manual.
Mix fuel as described in starting
instructions.
Turn idle speed screw clockwise to in-
crease idle speed. See Figure 16.
Drain lubricant and refill with correct
amount of 10W-30 engine lubricant. See
Adding/Checking Engine Lubricant in
the Operation section of this manual.
This is usually caused by storing the unit
for an extended time with the engine in
an upside-down position. Remove and
clean the spark plug. Drain the oil out
of the spark plug hole, then reinstall the
spark plug.
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