The EBS Relay can overheat and fail in that model. This can cause all sorts of strange problems in the midrange.
Ditto on the TPS setting, it's critical.
If you are running the Marelli 1.6M processor it might be worth trying trimmer screw adjustments to try to isolate a lean/ rich condition although this can also mask or hide other deeper problems.
I could play Stairway to Heaven note for note when I was 12 years old.
Jimmy Page didn't actually write it until he was 22.
I think that says quite a lot.
853SP, F4 1000R #67, XL1200S, FZR250 #761