1&1 on the carb.

Stihl 025 factory carb settings adjustment

By Anthony Updated on May 3, 2023. tpm conference long beach 2023After 50 pulls it started and refed ok for about 10 secs and it stops. harlem hospital website

Carb Adjusting Tool Kit: https://amzn. If the Stihl chainsaw stalls after cutting, it is likely from problems in the carburetor, which will require an adjustment. Then loosen the screw by ¼ turn. If your buddy's saw has a fixed jet carb with no H adjustment and it runs fine, then leave it alone.




Only use high- regulations for small non road engines.


If your STIHL FS 80 trimmer is not performing as it should, you may need to adjust the carburetor settings.

Next I use a Tach to set the low rpm to 2800 rpm (I think this is the number) using the L screw. It is only possible to correct idling speed within certain limits. Take the A/F cover off. S.

. . Open both 1 turn CCW from lightly seated.

Start the trimmer and hold the throttle trigger in all the way to get the trimmer head spinning at maximum speed.
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Like most small engine carburetors, the one on the Stihl 021 chain saw has an adjustment for idle spee. Step-by-step adjustment of.

. A new plug helped a little, but I wanted to tune up the carb, wondering if the previous owner maybe changed the settings.

Adjusting Stihl MS 210 Carburetor.

. Feb 19, 2022 · The carburetors on trimmers, blowers, weedeaters, and other small engine equipment, have several adjustments screws.


If you use a small screwdriver and gently pry inline with the clip, they will pop out.

I have recently received an older Stihl 025 that was rebuilt by a self reputed chainsaw expert.

There will be two of these screws and you should be able to identify them on the carburetor’s side. . One will have “Hi ” marking, while the other will have a “Lo” marking for identification. According to the service book it says - - "This carburetor has a fixed jet in place of the high speed adjusting screw (H screw).

My personal opinion is if you are unable to set the saws idle doing this there is. . . The STIHL philosophy is to continually improve all of our products.


Locate the Adjustment Screws. Pull out the air filter and slap it against your palm to get rid of any dust. .

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Nov 12, 2019 · In pictures below, see H, L and LA (Idle) Online directions are like this: How to Adjust the Carburetor on a Stihl Weed Eater Turn the high-speed screw, marked 'H' counterclockwise until it stops.

. . Max = 12500.

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Fixing an old chainsaw to perform like new.

STIHL supplies an adjustment tool for every FS 80 that is designed to help you with this. . . If the STIHL 250 stops or the engine speed is unstable you need to loosen the ” L ” screw.