My 32cc 4 cycle craftsman weedwacker won't run off choke

Are you sure you have the right fuel mixture? Many of these require 2 Cycle oil to be added to the gas. If fuel is right, you may have a vacuum leak at the carb (or crack in base where it mounts to the engine). My weedwacker needed to be run on half choke for about 10 min before it got hot enough to run with choke off.

Check age of gas. Cannot be more than 30 days old.
Make sure to use fresh gas w/synthetic 2-cycle oil @ 40:1 ratio (1 gal.) Gas to 3.2 oz. Oil). Do not use old or stale oil/gas mixture. Always use the proper oil/gas mix. If you do not, your engine will suffer rapid, permanent damage.May need to clean or replace carburetor.

May need slight adjustment on carburetor, but need special tool.

The website just says gas/oil (http://community.craftsman.com/Craftsman-Convertible-32cc-Gas-Line-Trimmer-reviews?tab=details). I'm not sure what that means. But on the Craftsman Community web page (http://community.craftsman.com/community) there is a link that says Feedback and Support. If you click that and fill out the form, someone should get back to you.
Hope this helps!

Should be able to google model #. Make sure you have a 40:1 fuel oil mix. Pump primer bulb 4-5 times, put on full choke, when attempts to start set choke to half. After it starts open choke. If won't start and has been sitting for months with fuel in it, the carb is more than likley gummed up.If you paide less than $100.00 for it it is not worth having it repaired at a shop. You can although purchase a new carb at eparts, or sears parts direct for around $ 30.00. Just need the model#. Good luck.

Trimmer Starts but stall out as soon as throttle is used and choke turns off. if I hold the throttle and pull the choke it runs but will stall as soon as choke is let go.

could be blocked muffler

My Craftsman 31cc 2-Cycle Gas WeedWacker Model C216.51318 manual calls for a Fuel Mix (gas:oil) of 32:1

If you are certain that you have correcting gaped the plug then the next step is to readjust the low end idle carburetor. If you look you should see two holes in the plastic cover that lead to the flow adjustment screws they may even be out in the open. If they are not labeled H and L (the L is the one you want), check your manual for the correct one. A good place to start is turning the screw all the way in then backing it out 1 1\2 turns. Then check it. If you still have problems do 1\4 turns out. After about one full turn from that you might want to consider taking the carburetor off and removing the float bowl or the bottom for a good cleaning. A sticking float could cause problems with your fuel flow.
Hope this helps.

If the weedwacker runs OK on 1/2 choke or even better on full choke then most likely the cause is the carb gaskets are stiff and can no longer pump the fuel. Of course make sure the fuel lines are are the right ports (return and supply). While you have the carb apart clean all of the passages with carb cleaner.