Forks

I was able to research and find out the proper bearings that would work to convert the R6 forks (including triples) into the MZ skorpion frame.  Ironically, the correct bearing set comes from a DRZ400!  The ID or bore of the bearing is 30mm top and bottom, and the OD of the cup is 52mm.  Not a common bearing, but a call to "All Balls" had me sorted out, and with the ordering information, I was able to get them from Transcanada within 2 days.  Took me about 15 minutes to check to see everything fit properly.

These are tapered roller bearings, and also come with dust seals.  I had already purchased a set of R6 forks and triples off of ebay for a good price.  Rather than go with more expensive USD forks, I went with traditional RSU forks, that still have preload, rebound, and compression adjustment.

While they look a bit rough, the upper triple is straight and intact -- perhaps a coat of paint will help things along.

Installed -- the frame will require a minor modification -- there is a little tap that is supposed to act as a steering stop -- however, it isn't long enough to work with the Yamaha forks, so it will have to have some material welded to it to work properly so there is some steering lock.

At the other end, the DRZ400SM rear swingarm has also arrived and been installed.  Need to find some axle sliders in order to set the rear wheel in place -- there are some on Ebay that also have provision for a slider/rear stand spool, which would solve two problems at once. 

Waiting on the KR1S tank to arrive to set the angle of the rear subframe.