Angel: Not a biggy ! Since you have had the unit restart and run and I assume you have some form of usable compression (100 +) . 1st pick up some Premium Brand of Concentrated Fuel System Cleaner. I would recommend a aerosol spray type. Second remove your jets inspect for good condition not bent or damaged (unusual wear) if sound spray in some cleaner , if you have some compressed air or aersol duster after leaving the carb cleaner in for a few minutes give a blast of air . Respray the jets with carb cleaner , re-install the Low Speed jet and tighten carefully until it seats and turn out 1-1/4 turns . Do the same with the High Speed Jet . Refill the fuel tank with fresh fuel with a little xtra carb cleaner . Ensure to install the new fuel filter and inspect and ensure all fuel lines are clean and tight (good condition) . Restart your weed-eater should fire up with a few pulls on choke or pushs of the Primer Bulb. Once warmed up start fine tuning the Low Speed jet to achieve throttle response without hesitation . The High Speed tuning is a little different . Once warmed up achieve WOT (Wide Open Throttle) and high RPM turn in the screw until highest rpm is achieved then turn out the screw until the unit blubbers . Optimum tuning is between Highest RPM and Blubbering Stage to ensure a not to lean mixture. Jet Settings are normally around 1-1/4 to 1-1/2 turns out . Once this is done let the saw return to idle and adjust the idle screw to your liking . I normally set my idle a little higher once warmed up to assist with a cold idle level upon start up . Hope this helps , let us know how you make out , hopefully you will get some additional use from this unit if not to much damage has been done to the rings or bearings long term . Time will tell and hell it was a free bee anyway .

I looked at this evening and located the two needle jets but they have no heads do you need a tool for this
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it also only runs on choke it won't idle are anything with the choke open
thanks again

It's hard to tell from your picture, but on my Craftsman trimmer the needles look like this:

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So I made a tool using a very small screwdriver and an electrical crimp connector that fit the needles and it works great:

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Junebug , nice fab job very creative !

Angel: I also use small needle nose pliers from a electronic set . 1st scribe the heads for indexing to assist with proper adjustment settings or a fine magic marker .