you need to adjust the BBS on each side to set the idle balance. If you have done the TB Balance at 3000rpm for example, and then you adjust the BBS, your 3000rpm balance will be fine but your idle balance will be way off
https://advrider.com/f/resources/ follow that link, scroll down a bit and click on the link / get the pdf for Throttle Body Synching
There would appear to be a surfeit of prolixity and sesquipedalian content today please do not use a big word when a singularly un-loquacious and diminutive linguistic expression will satisfactorily accomplish the contemporary necessity