How to Adjust the Carburetor for a Poulan Woodshark

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The Poulan Woodshark is a lightweight chain saw powered by a 2-cycle gasoline engine. The carburetor mixes fuel with the proper amount of air, and sprays the mixture into the combustion chamber where the spark from the spark plug ignites it to drive the engine piston and, ultimately, the chain. The carburetor is preset at the factory, but you may have to adjust the idle speed after you use the saw. Other carburetor adjustments are possible, but the manufacturer recommends they be performed by a licensed service representative to avoid engine damage.

Things You'll Need

  • Phillips screwdriver
  • Flat-head screwdriver
  • Place the saw on a flat bench and ensure there are no obstructions around the chain, which will spin during this procedure.

  • Unscrew and remove the three screws holding the engine cover and remove the cover. Then remove the air filter cover and air filter. The carburetor adjustment screw is located behind the air filter. Clean the filter with soap and water before putting it back, or replace it with a new one. Replace the air filter and engine covers.

  • Locate the idle adjustment screw. It is marked "T" and is just above the priming bulb.

  • Start the saw and let it idle for two or three minutes to warm up. If it's idling too slow, you may have to keep the throttle engaged. Be sure to keep clear of the chain, which will be spinning.

  • Turn the screw with a flat-head screwdriver. If the saw is idling too slow, turn the screw clockwise to increase engine speed. If the chain begins turning, turn the screw counterclockwise until it stops. Try to find the sweet spot -- where the engine runs smoothly without engaging the chain.

Tips & Warnings

  • The carburetor has two other adjustment screws, but they are fitted with guards to prevent adjustment. If your saw runs rough, bring it to a service professional to have these screws adjusted.
  • Perform this adjustment when no one else is present who could inadvertently come in contact with the chain.

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References

  • Photo Credit EduardSV/iStock/Getty Images
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