poor idle

Hey yall, need some help thinking through this issue. A week ago I was riding and suddenly the bike sounds different and felt very sluggish. I limp it home and I find the plug wire from cly3 is grounding on the frame. I knew I had some cracked coils and wires. So I replaced all four coils and...

So I'm taking the plunge into carb tuning. They've always been sort of a black magic to me, but its getting frustrating running with the current setup...... Anyways, I had Danny rebuild the carbs last spring and they came back like this: Jets #90, #170, #155 main Stg 7 needles on 3rd clip...