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Chainsaw runs full speed, will not idle.

Chainsaw runs full speed will not idle. Tried to adjust no affect Homelite UT10516

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Expose the carburetor so that you can observe the action of the throttle lever on the carburetor. The trigger should move the lever from the idle adjust screw to full throttle stop. If no movement observed, remove the trigger assembly from the front handle (make notes as you remove the pieces) and clean the area of sawdust/dirt accumulation. Recheck the action after everything is re-assembled before starting the engine. If the idle speed is still excessive, then turn the idle speed screw several turns CCW until the chain stops turning. Try wiggling the carburetor body to see if it has come loose from the engine. Hope some of this helps!

Posted on May 15, 2010


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