It appears you're interested in specifications for the Thumpstar TSR 190 ZS. This Minibike, cross model is powered by a Zongshen Single cylinder, four-stroke engine with 190.0 ccm (11.59 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. PE 28mm allowing this machine to produce its horsepower and torque. According to our records engine heat of the Thumpstar TSR 190 ZS is moderated by . You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 70/100-17 and the rear is 80/100-14 . 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. Dual piston hydraulic disc front brakes and Single disc. Single Piston rear brakes. The Thumpstar TSR 190 ZS 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.