i have some 600 throttlebodies and i have been trying to find out how a sausage filter and back plate fit on to the t/b's as they don't have any bolt holes.

any ideas or pics would be appreciated. i know some people have done this already somewhere

I tapped the triangle flanges that sit above the pots and bolted the back plate to these.

not a bad idea, that holds it at the bottom but is that strong enough to with no top fixing

The rubber trumpets on the gsxr have a pair of lips/groove that the airbox/backplate fits into. Will see if I can dig out any pics of a trumpet...

Not the greatest pic but you can see the two rings near the base of each trumpet, the airbox backplate slots in between these

[Edited on 25/6/07 by martyn_16v]

What is the lenght of these velocity stacks? And have the gixxers always have 4 stacks of the same length?

The GSXR750 (of the year I got mine off at least, K1) had two different lengths, a pair of short ones on cylinders 1 and 4 and longer on 2 and 3. I bought a spare airbox so I had a complete set of four of each length to play with. The ones in the pic are the 'long' ones, the short ones are really short - probably about 25mm. The long ones are still only about 75mm at a guess, I haven't actually measured them.

yeah i can see how t works for the gsxr trumpets but i have ally ones, so i can't do that this time