Question about Craftsman 25cc Gas Line Trimmer

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Replacing fuel line

Trimmer starts fine, but has to be on 1/2 choke to run. It will not run or idle in the "choke off" position. It will run for quite a while in the 1/2 choke position. It does not seem to be getting gas. I previously had to replace the fuel lines, but I'm pretty sure I have them installed correctly.
Any help will be greatly appreciated. Thanks.

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  • Anonymous Mar 26, 2014

    will start with choke closed, idle rough, then quits running.Runs only for a minute or so.Have already replaced fuel and air filters,fuel lines, grommet and plug.

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Have you removed the carb. and tried to clean it? If not, get the numbers off the carb. and pick up a repair kit for it. Dismantle it, clean all orifices, remove the low and high speed needles (may only have one and count number of turns each one is at by screwing in until lightly seated then remove ) and clean passages with carb. cleaner. Reassemble, install, adjust initially with original settings and start. Adjust from here. Little carbs. are very "touchy" when adjusting.

Posted on Mar 13, 2009

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Here was my solution:
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-I started out by turning each screw 1/2 turn counter clockwise and started it up, then as it was idling, i started adjusting the "L" screw as i was moving the choke position to run, after a few full turns counter clockwise of the "L" screw, it was idling perfectly in the run position, then i did the same thing the the "H" screw while holding down the throttle and i got it to run perfectly in the run position. Now it is running way better than it ever has. I hope this helps everyone.
Good Luck!
* For this specific problem, i would say you should probably just adjust the "L" screw and hopefully that will help

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