It appears you're interested in specifications for the Keeway Speed 150. This Allround model is powered by a Single cylinder, four-stroke engine with 149.00 ccm (9.09 cubic inches) of actual displacement before 9.2:1 compression. Fueling is metered via Injection allowing this machine to produce its 12.73 HP (9.3 kW) horsepower and 12.00 Nm (1.2 kgf-m or 8.9 ft.lbs) torque. According to our records engine heat of the Keeway Speed 150 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 2.75-18 and the rear is 3.25-18 . 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 Single disc front brakes and Single disc rear brakes. The Keeway Speed 150 was launched in 2008, 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.