In the same vein as Jon's post... you could have someone replace the steerer tube. At least get an estimate on what it would cost; probably less than a funky and rare headset.
Originally Posted by
Chuckk
I thought only the entry level Puchs featured their proprietary headsets.
Ouch!
Would it be more practical to replace the entire fork? The SLE fork (at least on my '82) is Puch 2600 tube and pretty unremarkable.
The problem with that is if the new headset parts don't fit the frame, or don't work with the original parts on the frame. Austrian is definitely odd-ball:
Source: Sutherland's 4th Edition