It appears you're interested in specifications for the Royal Enfield Constellation. This model is powered by a twin 700cc twin engine with 700cc 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 Constellation 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 Constellation was launched in 1958-1963, 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.

Post-war Production: Originally with 52 bhp with "R" cams and single TT carb for 1958 & 59 and twin carbs for 1960 to 62; Weak bottom end proved unreliable & progressively detuned to 40 bhp to make it more reliable. Unique scissor-action clutch operation. For 1961 & 62 a "bathtub" model with a unique fiberglass rear end was also sold.[7]