New member with some questions

[Mrbrettbaker]

Hello, my name is Brett, and I'm a bikeaholic. I'm 53 yrs old, been riding all my life. I'm a coach/instructor with a trackday org and amongst my long list of toys is a new Ducati Panagale, and R6, Gsxr750, hand full of dirt bikes, a yamaha voyager and a TX500 with 4000 miles found in a heated garage, stored since 1981. I recently found a 81 xs400 with 3086 miles, literally in a barn, and it looks it. A carb clean, some pods to replace the mouse nest air cleaner, plugs oil and a battery and it purrs! I want to build it cafe-ish or street tracker. My girl is 5ft nothing tall and I will be cutting and lowering rear subframe and using shorter shock. I am a fabricator and also have lots of sport bike parts, so upgrades are in order. What I have searched for and can't find is some stock specs on the chassis. I'd like to know the triple tree offset, the rake and the trail of the bike. I want to use modern suspension, but not just for show. I'd like to try it on the track, so getting my geometry right is important. Any help would be appreciated!

 

[XSLeo]

Google your bike. You should be able to find the specs you call for on rake and trail. On the fork offset just measure it. I don't think that spec will be listed.
Most of the repair manuals I have on my bikes have those specs in them.
Leo

 

[Mrbrettbaker]

On the 12th page of googling (on an iPhone no less) I gave up. Unfortunately I think no one really cares, it not being a sport bike. I can measure all of it, I was just hoping someone had it in their notes. I'm doing some cross referencing and have dimensions for all the donor bikes