I have an oppurtunity to buy some 95 gixxer 750 bodywork,it's airtech race stuff, and was wondering if I could use it on my 90 gixxer.Has anyone done this?

You might have a problem with the lowers being too narrow in aspect. The 93/94 is narrower than the '90 and the 95 is narrower than 93/94.

With my aftermarket bodywork (95 on a 93), had to spacer it out to allow clearance.

Measure your stocker across the oil cooler and full width, then check with a stock 95. I think it will be too narrow.