It appears you're interested in specifications for the Pitster Pro X3R. This Minibike, sport model is powered by a Single cylinder, four-stroke engine with 124.80 ccm (7.62 cubic inches) of actual displacement before 10.5:1 compression. Fueling is metered via Carburettor. MIKUNI 24MM allowing this machine to produce its 13.90 HP (10.1 kW) horsepower and torque. According to our records engine heat of the Pitster Pro X3R is moderated by Oil & air. You'll need to get familiar with the 4-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, 8085 ALLOY LADDER BAR 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. SINGLE PISTON CALIPER front brakes and Single disc. SINGLE PISTON CALIPER rear brakes. The Pitster Pro X3R was launched in 2007, 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.