If you have to run with the choke on, it's having problems pulling gas thru the carb.
Start making sure that you're using fresh gas/oil mix. Don't attempt to use last years leftover in the tank or a spare can. Bad news... won't fire well.
Second, pop the carb lines off the carb and flush with carb spray cleaner (use the nozzle tube that comes with the can).
Third, check for cracks, breaks, leaks in the supply and return hoses. Replace any damaged hoses.
Disconnect the carb from the engine and spray all jets, orifices with carb cleaner (I like the Berryman's B-12 spray) and reinstall.
Also, pull the filter out of the air filter and clean, reinstall.
While you're at it, pop the spark plug out and clean the tip with carb spray as well.
Finally pour in a fresh gas/oil mix...start as usual. should be alot better!
SOURCE: Homelite gas trimmer will not run without half choke and throttle
You need to disassemble the carb. and spray with carb. cleaner. If you need tips on how to do this, just let me know. You may need a new carb. kit as well, but we won't know that until you first perform the first step, or if the carb. parts are more than 3 years old. If they are, then go ahead and buy the carb. kit and replace the parts.
Jim
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