It appears you're interested in specifications for the Sym Cruisym 300i. This Scooter model is powered by a Single cylinder, four-stroke engine with 278.3 ccm (16.98 cubic inches) of actual displacement before compression. Fueling is metered via Injection. EFI allowing this machine to produce its 27.5 HP (20.1 kW) @ 7750 RPM horsepower and 27.0 Nm (2.8 kgf-m or 19.9 ft.lbs) @ 6750 RPM torque. According to our records engine heat of the Sym Cruisym 300i is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 120/70-14 and the rear is 140/60-13 . The entire package is supported by the frame, Pipe Under Bone. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. ABS front brakes and Single disc. ABS rear brakes. The Sym Cruisym 300i was launched in 2020, 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.