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Oregron chainsaw starts but cuts out when throttled

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Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other damage. Make sure the carburetor fasteners are tight. If no help, then if the H and L jet screws have slotted heads, turn the H jet needle CCW about 1/8 turn until the engine 4-strokes at full throttle, but immediately 2-strokes when cutting. If the jet needles have 'D' heads, then you are stuck taking the saw to a servicing dealer to get the carburetor adjusted as only they are authorized to have the necessary screwdriver. (Thanks to the EPA for saving us from this serious pollution problem) Hope this helps!

Posted on Jul 18, 2010


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How do I adjust the carburetor on a Poulan 38cc chainsaw? Someone has messed with the low and high adjustment

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My poulan 360a chainsaw cuts out when used for 5 mins. when opening throttle to saw woods it does not respond and cuts starts again ok but will not respond to throttle. it is ok when motor is cold.

Check the fuel filter for plugging, the fuel lines for hardness/cracking/splitting. Clean or replace the air filter. Clean the muffler if plugged. Make sure that the carburetor fasteners are tight. Check the spark plug condition--gap should be 0.020" and the insulator should be light to medium tan color. If still having problems, the carburetor may need to be cleaned and serviced. Hope this helps!

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1 Answer


Remove the air cleaner which usually exposes the carburetor--operate the throttle (engine off) and watch what moves--likely wood chips blocking the action--less likely, a wire linkage got bent somehow, or there is sawdust in the trigger mechanism. From your description, this saw starts full-throttle at the get-go. Sort of dangerous!

Jan 19, 2009 | Garden

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