The Zundapp 201S Challenger Spare Parts List
There is also a very handy list which compares the 250S Super Sabre and the 201S Challenger so you can see which parts are interchangeable (many!)
The Zundapp 201S Challenger Spare Parts List
There is also a very handy list which compares the 250S Super Sabre and the 201S Challenger so you can see which parts are interchangeable (many!)