When I start the GS 1150 from cold and slightly rev up it makes like a chirping squeak noise in synchro with me revving it. 
It disappears after a few hundred yards when its built up a little warmth.
It only does it when I slightly rev the throttle from idle.

It disappears after a few hundred yards when its built up a little warmth.
It only does it when I slightly rev the throttle from idle.