It appears you're interested in specifications for the Sherco ST 80. This Trial model is powered by a Nikasil coated cylinder. Pressure diecast aluminum engine cases. Single cylinder, two-stroke engine with 74.60 ccm (4.55 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Dell Orto PHBL26BS allowing this machine to produce its horsepower and torque. According to our records engine heat of the Sherco ST 80 is moderated by Air. You'll need to get familiar with the 5-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, Triangulated cross section Chrome-moly. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Formula brake kit front brakes and Single disc. Formula brake kit rear brakes. The Sherco ST 80 was launched in 2013, 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.