It appears you're interested in specifications for the Kymco Top Boy 50. This Scooter model is powered by a Single cylinder, two-stroke engine with 49.50 ccm (3.02 cubic inches) of actual displacement before compression. Fueling is metered via allowing this machine to produce its 5.09 HP (3.7 kW) horsepower and 5.50 Nm (0.6 kgf-m or 4.1 ft.lbs) torque. According to our records engine heat of the Kymco Top Boy 50 is moderated by Air. You'll need to get familiar with the Automatic transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 120/90-J10 and the rear is 130/90-J10 . 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 Expanding brake (drum brake) rear brakes. The Kymco Top Boy 50 was launched in 2006, 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.

Also avialable in a off-road version with other tires.