Exup 1000

Does anyone have a spare carb top for a 1990 1000exup for sale?

I think i may have found the problem, i have a small crack in one of the carb tops, although it doesn't appear to have gone all the way through. Does anyone have a spare they might want to sell?

Checked the breather which was free of restrictions as is the exup movement.
I installed new airbox rubbers, should these be sealed with silicon or are they self sealing, clutching at straws here.

Hi
I have recently stripped, cleaned and rebuilt the carbs on my 1990 1000exup. I have replace all the seals, new jets, inlet rubbers and airbox rubbers and new plugs.
After balancing the carbs she sounded really smooth and very responsive.
However when i took the bike out for a run it picked up ...

Hi all
Thanks for letting me in, here's a couple of my bikes