It appears you're interested in specifications for the Zündapp K 211. This Sport model is powered by a Single cylinder, two-stroke engine with 211.00 ccm (12.88 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its 2.25 HP (1.6 kW) horsepower and torque. According to our records engine heat of the Zündapp K 211 is moderated by Air. You'll need to get familiar with the 3-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 24/2-25 and the rear is 24/2-26 . The entire package is supported by the frame, Tubular . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on front brakes and Expanding brake (drum brake) rear brakes. The Zündapp K 211 was launched in 1925, 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.