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The saw chain tension is too tight
Adjust the saw chain tension
The chain oil reservoir is empty
Refill the chain oil reservoir
The saw chain tension is too tight
Adjust the saw chain tension
The guide bar and saw chain are assembled incorrectly
Refer to Installing / Replacing the Saw Chain
The guide bar and saw chain are damaged
Inspect the guide bar and saw chain for damage. Replace them if
necessary
The drive assembly is damaged
Refer to Service information
The saw chain is dull
Replace the saw chain or have it sharpened by an authorized
service dealer
The saw chain is on backwards
Check and correct the saw chain direction
The fuel tank is empty
Fill the fuel tank with properly-mixed fuel
The primer bulb was not pressed enough
Press the primer bulb 10 times or until fuel is visible
The engine is flooded
Press the throttle lockout, squeeze the throttle control and pull the
starter rope until the engine starts
The fuel is old (over 30 days) and/or improperly mixed
Drain the fuel tank and add fresh, properly-mixed fuel
The spark plug is fouled
Replace the spark plug
The choke lever was not flipped
Refer to Starting Instructions in the Starting and Stopping section
TROUBLESHOOTING
The fuel is old (over 30 days) and/or improperly mixed
Drain the fuel tank and add fresh, properly-mixed fuel
The air filter is dirty
Clean or replace the air filter
PROBLEM
SOLUTION
The air filter is dirty
Clean or replace the air filter
The fuel is old (over 30 days) and/or improperly mixed
Drain the fuel tank and add fresh, properly-mixed fuel
The idle speed is incorrect
Adjust the idle speed
The fuel is old (over 30 days) and/or improperly mixed
Drain the fuel tank and add fresh, properly-mixed fuel
The air filter is dirty
Clean or replace the air filter
The spark plug is fouled
Replace the spark plug
If further assistance is required, contact an authorized service center.
THE SAW CHAIN ROTATES, BUT DOES NOT CUT
THE SAW CHAIN DOES NOT ROTATE
THE GUIDE BAR AND SAW CHAIN ARE RUNNING HOT, SMOKING OR STUCK
THE ENGINE LACKS POWER OR STALLS
THE ENGINE WILL NOT ACCELERATE
THE ENGINE WILL NOT IDLE
THE ENGINE WILL NOT START