It appears you're interested in specifications for the Royal Enfield Prototype. This model is powered by a Enfield 344cc engine with 344cc of actual displacement before compression. Fueling is metered via allowing this machine to produce its horsepower and torque. According to our records engine heat of the Royal Enfield Prototype is moderated by . You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, . 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 rear brakes. The Royal Enfield Prototype was launched in 1912, 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.

Pre-war Production: Enfield's first home produced V engine. 2 3/4hp Overhead inlet/side ex valve