It appears you're interested in specifications for the Vespa S 150 i.e.. This Scooter model is powered by a Leader engine Single cylinder, four-stroke engine with 150.00 ccm (9.15 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 11.66 HP (8.5 kW) horsepower and 11.50 Nm (1.2 kgf-m or 8.5 ft.lbs) torque. According to our records engine heat of the Vespa S 150 i.e. is moderated by Air. 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 110/70-11 and the rear is 120/70-10 . The entire package is supported by the frame, Load-bearing steel chassis. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Hydraulic front brakes and Expanding brake (drum brake) rear brakes. The Vespa S 150 i.e. was launched in 2012, 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.