It appears you're interested in specifications for the Keeway RKS 125 Sport E4. This Sport model is powered by a Single cylinder, four-stroke engine with 124.1 ccm (7.57 cubic inches) of actual displacement before 10.6:1 compression. Fueling is metered via Injection allowing this machine to produce its 11.3 HP (8.2 kW) @ 8750 RPM horsepower and 9.5 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 7250 RPM torque. According to our records engine heat of the Keeway RKS 125 Sport E4 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 90/90-17 and the rear is 120/80-17 . The entire package is supported by the frame, Arch bar truck. 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 Keeway RKS 125 Sport E4 was launched in 2021, 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.