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1957 Zundapp KS601 Image - Rear Right
At look at the Zündapp KS 601 from the rear right.
  
  
A view of the suspension and engine of my '57 (or so) Zundapp KS601 from the right rear. I think the suspension is beyond cool. The rear looks similar to the BMW R69S but, again, far from being any kind of copy, Zundapp was a contemporary competitor with BMW and considered every bit its equal in quality and reliability.
The uninitiated often assume the Zündapp KS 601 is a BMW copy.
I have since obtained replacement cuffs, or schutzkappe's per the KS601 parts manual, for the shaft drive. The rear is pretty well gone. Somebody made a hell of a mess using electrical tape as a field expedient repair. That'll be fun to remove.
The seat of my Zündapp KS 601 is not fastened down currently.
The observant among you have probably noticed the seat doesn't look too stable. To be honest, I have not used the seat when riding the bike, instead sitting on the super stout rear fender. This was mostly because I was trying to put together a full set of non-leaking fuel shut off valves and finding it to be a tall order. In the mean time I was using an old Clinton engine gas
A view of the Zundapp KS601 from the rear right.
       The plunger suspension of my Zundapp KS601. Variously documented
       as a 1957 or 58, the suspension suggests it's actually a '56.
I just love the plunger suspension of the 1956 Zündapp KS 601.
tank, vise gripped to the front seat mounting bracket, to the exclusion of the seat itself. I am happy to report that I finally just bought a set of Zundapp KS601 repro valves from Germany, about 90,00€ for the pair at the time. The Clinton tank and vise grip setup looked like it could result in a news worthy event. Probably wouldn't have gotten much sympathy either. Too many other fools to compete with.
Finding fuel valves for the Zündapp KS 601 really wasn't difficult once I started looking.
Anyhow, what I was getting at is that riding on the rear fender was quite comfortable for short cruises around the area. It's a testament to how effective the plunger suspension is in soaking up bumps, although I haven't had to eat any big ones.

Last updated 04-19-04
Email: Mechanique@wmol.com

Zundapp drive shaft, U-joints, and pinions.
The Zündapp KS 601 driveline.