It appears you're interested in specifications for the Zündapp KS 50 Super Sport type 517-20. This Sport touring model is powered by a Single cylinder, two-stroke engine with 50.00 ccm (3.05 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Bing 19mm (1/19/36) allowing this machine to produce its 6.00 HP (4.4 kW) horsepower and torque. According to our records engine heat of the Zündapp KS 50 Super Sport type 517-20 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 17-2.75 and the rear is 17-2.75 . The entire package is supported by the frame, High pressure cast aluminium with steel tube. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Zündapp KS 50 Super Sport type 517-20 was launched in 1971, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.