Question about Craftsman 25cc Gas Line Trimmer

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I have a sovreign 25cc trimmer and was wondering where the idle screw is on it any ideas

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Go to the Sears URL page listed and click on the sears number you find on your string trimmer and see the exploded parts of that model.

Posted on Apr 02, 2011


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Nov 22, 2013 | Craftsman 25cc Gas Line Trimmer

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How do i set idle for 25cc gas trimmer?

look on the carb for two screw's sticking out they should have plastic guards on them just take them off and adjust the set screw's until its right it should smoke very little when right and not run very fast!!!

Aug 18, 2010 | Craftsman 25cc Gas Line Trimmer

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Sluggish gas trimmer

Make sure you have a good gas to oil mixture, My 25cc 1999, is 50:1, Be sure you're not sucking air from faulty fuel lines or fuel line connections. Make sure the air filter is clean, and oiled if it requires oil. Turn your idle screw in till it stops, then start at 1 1/4 turns out, and then an 1/8 of a turn at a time if all else has been checked and is well... You will adjust the idle screw till you can Idle without giving it gas, (after the engine is warm)... If you have a high air/fuel mixture screw, screw it in until it stops.(Do not over tighten). Screw out 1 1/4 turns... Adjust these two screws 1/8 of a turn at a time until there is power all the way through the RPM range. Oh... And check your plug... if it is wet or black and sooty , then clean or replace it, it should be a golden brown with no soot.

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Engine quits when throttle is opened

Most weed eaters are two stroke. You have a high and low idle screws on the carburetor. Assuming you have the right fuel mixture. Turn both screws in lightly until seated. Turn two turns out. You should see an h for high and l for low. Stat with low screw first turn in or out until running smooth. Then do the same with high idle screw holding full throttle. Once running smooth in high . Go back check low idle. Should run fine after this. Also check plug see if carbon fouled.

May 21, 2010 | Craftsman 25cc Gas Line Trimmer

1 Answer

358-791010 2 cycle starts bur engine runs so fast...Is there an adjustment? Also, I have no owners manual, that would be very benificial.

There is an idle adjustment screw that adjusts the idle speed of the weed whacker on the carburetor.
Look for the throttle cable, and there should be a screw adjustment in the area where the throttle cable hooks to the carburetor. It will normally adjust with a screwdriver, turn the screw one way and see if it speeds up, if so then adjust the screw the other way to slow the idle speed down.
I hope this helps,
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May 02, 2010 | Craftsman 25cc Gas Line Trimmer

1 Answer

Poulan trimmer wont idle

Sounds like the carb needs adjusted. Unfortunately, it takes a special tool now to fit the adjustment screw(s). A shop should be able to do that for you.

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