It appears you're interested in specifications for the Yamaha YP 250. This Scooter model is powered by a Single cylinder, four-stroke engine with 250.00 ccm (15.26 cubic inches) of actual displacement before compression. Fueling is metered via allowing this machine to produce its 20.00 HP (14.6 kW) horsepower and 22.00 Nm (2.2 kgf-m or 16.2 ft.lbs) torque. According to our records engine heat of the Yamaha YP 250 is moderated by Liquid. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . 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 front brakes and rear brakes. The Yamaha YP 250 was launched in 1997, 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.