It appears you're interested in specifications for the WK SX 125. This Scooter model is powered by a Single cylinder, four-stroke engine with 124.0 ccm (7.57 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 8.7 HP (6.4 kW) @ 7500 RPM horsepower and 9.0 Nm (0.9 kgf-m or 6.6 ft.lbs) @ 5900 RPM torque. According to our records engine heat of the WK SX 125 is moderated by Air. 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 120/70-14 . The entire package is supported by the frame, Underbone. 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 WK SX 125 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.