Small Engines (Lawn Mowers, etc.): poulan chainsaws, air mixture, air screw

Question
Have two poulans,2050 and 3314.Both have same problem.They both bog down on the smallest of limbs.Replaced air and fuel filters with no luck.hoses look ok. any ideas, thanks

Answer
Hello Roger:

You can View a Breakdown/IPL of the Mower at this Site Addy, http://hayward.arinet.com/scripts/EmpartISAPI.dll?MF&app=ASP&lang=EN&TF=Mainfram... and Select the Catalog Poulan/Weed Eater. Now Select Poulan. Now Select Saw. Now Select Gas. Now Scroll to your Saw and Select it. Remove the Muffler and Ensure the Muffler, Spark Arrestor Screen and Exhaust Port are Clear. If they are, then Try Resetting the Carburetor Air Mixture Screws. The Instructions are as Follows. Use Only the Section of the File that Pertains to the Air Mixture Screws. All the Carburetor Adjustments are the Same for Lawn Mower and Trimmers. There are Several Location for the Air Mixture Screws. The Idle Air Mixture Screws are Usually Located at the Top of the Carburetor Bowl and the Top of the Carburetor Body. If the Main Air and Idle Air Mixture Screws are Side by Side on the Side of the Carburetor, then the Idle Air is the Farthest from the Engine. The Main Jet Air Mixture Screw is Located in the Bottom of the Carburetor Bowl or Beside the Idle Air Screw on the Side of the Carburetor Body. Some of the Older Model Carburetors have the Main Jet Mixture Screw Straight in from the Top of the Carburetor Body (this is Rare anymore). If you have Cleaned the Carburetor (Disassembled and Soaked Overnight in Carburetor Cleaner (I Use Gunk). Then Blow Out the Passages with Compressed Air and Install a New Kit if Required. Now Setting the Air Mixture Screws:  ****Turn the Idle Air and Main Air Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Holding the Throttle Full Open, Start the Engine. Turn the Main Air Mixture Screw Clockwise Until Proper Revs are Obtained. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs. Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required. Now Set the Idle Air Mixture Screw so there is No Hesitation when Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****  If your Carburetor has the Limiters, then Break them Off and Make the Adjustments. A Mechanic would Break them, Make the Adjustments and then Replace them with New Limiter Caps. The Caps Do Not Effect the Operation of the Engine. If Adjusting the Air Mixture Screws Does Not Correct the Problem, then Check the Compression. If Over 85psi, then Replace or Clean and Rebuild the Carburetor. Hope this Helps. I am Here if You Require More Assistance. Let me Know What Happens, Please. Thanks.

Good Luck

Respectfully

John

PS: I am Allowed to Answer 10 Questions a Day. If you See I am Maxxed Out, then Try Submitting your Question at or Just After 9pm EST (US). My New Day Starts then. Thanks.

Respectfully

John