Was given a craftsman 32cc weedwacker. no manual. need to know what fuel it takes.

digrama for weed wacker 32cc modelo 368791156

The fuel line in the tank connects to the nipple. It then goes into the small hole in the tank and then the fuel line from the carb connects to the nipple. This line is the line that is attached to the body of the carb, not near the plate.

MORE THAN LIKELY YOU HAVE BEEN USEING ETHANOL FUEL NEED A METANOLE FUELCLEANER AT MOST AUTO PARTS SUPLYER THEY SELL A FUEL CLEANER FOR SMALL ENG. IF NOT THAT MAKE SURE FUEL LINE IS NOT CRACKED

Here is the link to a manual for your model.
http://www.managemylife.com/mmh/owner_manuals/search?sid=MMHMxSearsx00019&query=358791580+CRAFTSMAN

The manual from www.searspartsdirect.com says it is to be set at .025" according to the user manual:
http://www.managemylife.com/mmh/owner_manuals/24262/CRAFTSMAN-Line-Trimmers-Weedwackers-Gas-L0609794?brand_name_search=358791070+CRAFTSMAN
Please vote on this solution.

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.

Replace the spark plug, clean the air filter and fill the tank with new fuel at the correct fuel oil ratio. Had the same problem last year. Tried to cheat with year old gas.

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.