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Anonymous Posted on Jun 27, 2010

020 stihl stops running after you let up on the trigger

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Tom

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  • Posted on Jun 28, 2010
Tom
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Most likely this is caused by one or both of the following. The low speed jet needs adjusting or the idle speed is adjusted too low. Most saws the user can adjust the idle speed as the adjustment screw is not protected. Adjust the idle speed so that the chain just stops turning. It may be necessary to adjust the speed up till it will stay running for you and then start turning it down till the chain stops. If the low speed jet needs adjusting it may be a better idea to run it by a Stihl service center and have them tune it up for you.

Testimonial: "I thought there was a way I could tune it. I am not familiar with the two adjustments, but you just helped me. thank you"

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https://www.diyspareparts.com/parts/stihl/decompression-valve-4238-020-9400/
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I have a Poulon 445 tree trimmer that runs okay until it stops. I replaced the carburetor new from Stihl dealer. Still floods and won't restart if trigger is released to idle machine.

Sounds like an air leak somewhere. Usually in the crankshaft seals. It runs fine wide open but won't idle and is difficult to start

If you need further help, I’m available over the phone at https://www.6ya.com/expert/kelly_69a0cf1b13789df1

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If you need further help, I’m available over the phone at https://www.6ya.com/expert/kelly_69a0cf1b13789df1

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Choke trigger on the handle will not lock to start the chainsaw

more information please..

To lock the choke on:-
1. depress dead mans trigget on top of back handle
2. squeeze throttle trigger fully in.
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