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Newbie here, I put a new carb on Husq YTA 24V48. Throttle linkage seems to be fine, and pulling it back to low does slow it a bit, but not nearly as low as it should be. Is this some kind of governor adjustment, or what??

Welcome

Lower the idle speed screw.

Thanks... that screw must be in a different spot, maybe underneath. The one on top right didn't do it.

Is your basic throttle cable set correctly in the holder bracket? these have to be adjusted as well. Do not mess with the governor.

Auto Doc's said:

Is your basic throttle cable set correctly in the holder bracket? these have to be adjusted as well. Do not mess with the governor.

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Yeah, moving the throttle lever appears to move the throttle arm under the carb through its full range. But maybe I should check it. I think I saw a YouTube video on that... move throttle arm to full, loosen the screw in the bracket, hold throttle arm up fully while retightening the screw?

Don't overlook the governor lever tension springs they are what keep the governor form blindly commanding wide open throttle.

The governor flyweights center push pin constantly put tension on the springs when the engine is running.