It appears you're interested in specifications for the Sym Symphony ST 125. This Scooter model is powered by a Twin, four-stroke engine with 124.60 ccm (7.60 cubic inches) 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 Sym Symphony ST 125 is moderated by . You'll need to get familiar with the transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 110/70-16 and the rear is 110/70-16 . 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 Single disc front brakes and Single disc rear brakes. The Sym Symphony ST 125 was launched in 2015, 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.