It appears you're interested in specifications for the Norton Commando 750 Roadster. This Classic model is powered by a Twin, four-stroke engine with 745.00 ccm (45.46 cubic inches) of actual displacement before 8.5:1 compression. Fueling is metered via Carburettor. twin amal 32 mm allowing this machine to produce its 60.00 HP (43.8 kW) horsepower and torque. According to our records engine heat of the Norton Commando 750 Roadster is moderated by Oil & air. You'll need to get familiar with the transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, duplex tubular. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 1-piston calipers front brakes and Expanding brake (drum brake). cable rear brakes. The Norton Commando 750 Roadster was launched in 1973, 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.