After going for a ride today on my zxr, i noticed a few little niggly things that I just need to iron out. Of my brain.
1. The bike chuggs a little when cold. Is this normal? Is it a matter of carb balancing>?
2. When in 3rd or 4th, the usual engine noise is accompanied by a slightly high humming noise is this normal? it seems to be functioning lovely.
3. The gearbox is a bit clunky and when at low revs in high gear (ie wrong gear


