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PROBLEM
THE ENGINE WILL NOT START
The fuel tank is empty
The primer bulb was not pressed enough
The engine is flooded
The fuel is old (over 30 days) and/or improperly mixed
The spark plug is not working properly
THE ENGINE WILL NOT IDLE
The air filter is dirty
The fuel is old (over 30 days) and/or improperly mixed
The idle speed is incorrect
THE ENGINE WILL NOT ACCELERATE
The fuel is old (over 30 days) and/or improperly mixed
The air filter is dirty
THE ENGINE LACKS POWER OR STALLS
The fuel is old (over 30 days) and/or improperly mixed
The air filter is dirty
The spark plug is not working properly
THE SAW CHAIN COMES OFF THE GUIDE BAR
The saw chain tension is too loose
The guide bar and saw chain are assembled incorrectly
THE GUIDE BAR AND SAW CHAIN ARE RUNNING HOT, SMOKING OR STUCK
The saw chain tension is too tight
The chain oil reservoir is empty
The guide bar groove and oil passages are dirty
The automatic oiler flow is too low
THE SAW CHAIN DOES NOT ROTATE
The saw chain tension is too tight
The guide bar and saw chain are assembled incorrectly
The guide bar and saw chain are damaged
The drive assembly is damaged
The chain brake is engaged
THE SAW CHAIN ROTATES, BUT DOES NOT CUT
The saw chain is dull
The saw chain is on backwards
TROUBLESHOOTING
If further assistance is required, contact an authorized service center.
SOLUTION
Fill the fuel tank with properly-mixed fuel
Press the primer bulb 10 times or until fuel is visible
Move the choke knob to Position 2, press the throttle lockout,
squeeze the throttle control and pull the starter rope
Drain the fuel tank and add fresh, properly-mixed fuel
Refer to Maintaining the Spark Plug
Clean or replace the air filter
Drain the fuel tank and add fresh, properly-mixed fuel
Adjust the idle speed
Drain the fuel tank and add fresh, properly-mixed fuel
Clean or replace the air filter
Drain the fuel tank and add fresh, properly-mixed fuel
Clean or replace the air filter
Refer to Maintaining the Spark Plug
Adjust the saw chain tension
Refer to Removing and Installing the Guide Bar and Saw Chain
Adjust the saw chain tension
Refill the chain oil reservoir
Clean the guide bar and oil passages
Increase the oil flow
Adjust the saw chain tension
Refer to Removing and Installing the Guide Bar and Saw Chain
Inspect the guide bar and saw chain for damage. Replace them if
necessary
Refer to Service information
Disengage the chain brake
Sharpen or replace the saw chain
Check and correct the saw chain direction
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