It appears you're interested in specifications for the Vento Thunderstar 250 Custom. This Allround model is powered by a Single cylinder, four-stroke engine with 250.0 ccm (15.26 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its 17.0 HP (12.4 kW) horsepower and torque. According to our records engine heat of the Vento Thunderstar 250 Custom is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 90/90-R18 and the rear is 130/80-R17 . The entire package is supported by the frame, Steel. 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 Single disc. Hydraulic rear brakes. The Vento Thunderstar 250 Custom was launched in 2020, 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.