Boxerworks.com

The Cycleworks tool is the way to go, but it costs some money. I made a homemade version using some washers, a nut, and a bolt. Had to grind a bevel on the edge of one washer and cut halfway through it (so it would pop into place, same as the Cycleworks tool does). It just barely worked but since it...

Looks like the handlebar perch wedge:
http://www.w6rec.com/duane/bmw/perch/index.htm

I use this same lift you are interested in (the Harbor Freight "high position motorcycle lift") for my R50/5. It works very well but does take some customization to get it supporting the bike at appropriate lift points. I posted about it on another forum a while back, and the thread there ...