Here is a copy of the Zundapp KS601 Spare Parts list – Scanned so you can print double sided into a booklet. It’s a big file (~ 200 MB) so be patient.

I am finding that viewing this file in a browser does not work for me, but downloading it and viewing it in adobe acrobat reader works fine.

Spare Parts List – Ersatzteil Liste – Zundapp KS601 – November 1954

Ersatzteil-Liste für das Zündapp-Motorrad KS 601 KS601 Sport – Ausgabe Juli 1958