It appears you're interested in specifications for the Honda Forza Si. This Scooter model is powered by a Single cylinder, four-stroke engine with 279.00 ccm (17.02 cubic inches) of actual displacement before 10.2:1 compression. Fueling is metered via Injection. PGM-Fi allowing this machine to produce its 22.00 HP (16.1 kW) horsepower and 22.00 Nm (2.2 kgf-m or 16.2 ft.lbs) torque. According to our records engine heat of the Honda Forza Si is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 110/90-13 and the rear is 140/70-13 . The entire package is supported by the frame, Underbone type. 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 Honda Forza Si 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.