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The pointed end of the idle speed screw should be centered on the idle arm on the carburetor. http://store.chainsawr.com/
Use the idle speed adjustment screw to set the idle speed as low as possible without stalling. http://store.chainsawr.com/
Use the idle speed adjustment screw to set the idle speed as low as possible without stalling. http://store.chainsawr.com/
The longer screw is for the idle speed. On the carburetor you will find little letters cast next to each needle adjusting screw. H is for High, and L is for low. http://store.chainsawr.com/
it should be were the cable lincage is on your carberator
It should screw into the carburetor on the feed line.
There should be a screw in the bottom of the float bowl on the carburators.
There should be a flat bladed screw on the side of the carbie you turn it
If it has a carburetor, then there should be a screw somewhere on the carburetor. If it's fuel injected, then I don't think you can adjust the idle without hacking into the computer.
The idle speed screw is on the right side of the carburetor, just above the carburetor bowl (the lower part of the carburetor). Turning this screw clockwise will raise the idle speed. Turning it the other way will lower the idle speed, which is supposed to be close to 1400 RPMs. The other screw, or the air screw, should be turned in as far as it will go, then loosen it two and a half turn. If the engine runs well with this, then nothing more needs to be done. You can turn the last mentioned screw a bit more, clockwise, to adjust the air mixture. Make sure that the carburetor is clean.
The only setting is one screw on the top of each carb its the mixture screw and should is 1.5 turns out by default.
There should be an adjustment screw on the throttle box on the handle bars or on the carburetor