stick with the stock keihn, you'll still be faster than 95% of the people out there and nothing to kick/rattle/fall off. plus the throttle cable routing and everything else stays nice and tidy and stock.
92 jet with no snorkel and 86 or 88 jet with a snorkel.
get good at cleaning the tiny little idle passages and run a good fuel filter you'll be good to go.
don't forget to replace your stock metal reeds with fiber ones.