well im fixing to try the 77 1000 carbs on the 83 .....ive been working on them since i took them off the 77 1000 bike ive been restoring ....the 77 has 1100 carbs on it now .....so i just got in from installing the 1000 carbs on the 83 ....there were quite the problems with the rack pluged idle jets all four carbs ...even the secondary jets too ....some other stuff also ....this was not a complete overhaul and my carb program is lacking big time on success so ive got my fingers crossed and hoping for the best ....wont be long now before i know ...i will post the outcome shortly :mrgreen: