throttle problems

I'm having an issue with my idle staying consistent. I've cleaned the carbs and adjusted the pilot screw 2.5 turns as the manual suggests just to ensure everything is at spec. However the problem still persists.. I've attached two videos of the issue. Delayed Throttle Idle Increasing without...

Okay to start off I just want to let everyone know that I am brand spanking new to motorcycles but I am fairly mechanically savvy. So to start, I bought the motorcycle a couple weeks ago thinking that it ran perfectly, which it did for the 15 minutes they had it running, but after the paperwork...

I've been reading this forum for about a month now. I've tried just about everything on this site so far but my bike still won't work. I have a 1979 xs400e (I think). All original everything. It was given to me after sitting for almost a year in the sun. I had ridden it and it ran great...