Has anyone heard of recalls or recall on poor response by transmission to turning the throttle, the lag as engine needs to get to about 2300 rpm before it will move. Then the takeoff can be abrupt, this can be particularly unsettling in low speed turning, or any close quarter low speed maneuvers during turns.
I have owned a Reflex, they operate perfectly, or at least mine did.
I have a Yamaha 125 Vino, it works perfectly.

But Silverwings don't, my neighbor has one that is defective the same way.

Pls dont suggest riding the brake and keeping the power on, I know that can be done, but if the synchronation between the throttle and transmission were right it would not be needed. Thanks, does anyone else notice this problem?

I've not heard of any recalls on this topic. I think both of our SilverWings behave in a similar way, and both my wife and I have either adjusted to it after coming off the Reflexes or did not notice it as an oddity.

Not sure it is a problem, maybe it is more accurately described as the nature of the bike.

As Microsoft would say, "Its not a bug. Its a feature."

More specifically the engine is inhibited in some way at the low end to prevent jack rabbit starts, wheelies, loss of traction on takeoff, etc.

Belt slip, can add to that.
Also because you have no "neutral" there has to be a little room for you to rev before you go.

I haven't noticed the problem on my SW, the centrifugal clutch comes in smoothly and so is acceleration.