SOURCE: poulan saw wont run
Clean the muffler spark arrestor screen and check the cylinder port for carbon build-up at the upper edge. Try presetting both carburetor H and L adjustments (from lightly CW stops) 1-1/2 turns CCW each. Start the engine and allow to warm up. Pull the throttle wide open and adjust H CW until the engine speed increases, but still 4-stroking. Correct setting is when the engine 4-strokes, but immediately 2-strokes when cutting. Allow to idle and adjust L for smoother running, yet allows the engine to 'follow the throttle'. Set idle speed to keep the engine running, but doesn't try to move the chain. You may have to look closer at your carburetor if the above doesn't help. Go to:
http://www.drystacked.com
for an excellent article (but poor pix) on Walbro carburetors, but related to most all 2-stroke carburetors. Hope this helps!
SOURCE: Craftman Chainsaw do not run
Extreme Flooding by Dolfoff
Please follow this link, http://www.fixya.com/support/t3226410-no_spark_new_plug_but_continues_flood cursor down to “Best Solution”, while there click the “Was this helpful? [Yes]” button HTH
Lou
SOURCE: i have a 18 4200 poulan chainsaw i have a new carb
Hi, i would start by making sure the fuel is on if that is an option on your saw. Then makes sure there is nothing obstructing the flow of fuel from the tank to the carb. You can check the lines by draining the tank the blow thru the tank with an airhose and make sure air is coming from the delivery line that hooks to the carb. if all checks out there, then you my hve a gasket on backwards inside the crb or your fuel flow screw needs adjusted. You can check to see if the carb has gas by gently loosining the drain bolt on the bottom. Another option is removeing the air filter and dumping a small amount of gas directly into the carb and see if it starts then. If it does then yo have a problem with fuel delivery from the tank to the carb into the cylinder head. Hope this helps.
SOURCE: Gas chainsaw has no strong spark and wont start
the air gap should be .012", the gap you have it set at is to small.reset the gap and try it again.......hope this helps,let me know........
SOURCE: i have a poulanpro 260 chainsaw when i went to use
Check the fuel filter, and muffler for plugging. Check the condition of all of the fuel lines. Fix or replace the primer pump. When you get it working right, push the primer quite a number of times to flush all of the old fuel out of the carburetor. Unless the carburetor is in trouble, you should be able to start the engine again. Hope this helps!
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changed spark plug,fuel lines,cleaned air filter.i pulled the string so many times
Tighten in your L screw on the carburetor L is the idle you will need a carburetor screwdriver.
Look up a YouTube video on poulan carburetor tune you will find several.
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