It appears you're interested in specifications for the Hero Duet. This Scooter model is powered by a Single cylinder, four-stroke engine with 110.90 ccm (6.77 cubic inches) of actual displacement before 9.0:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 8.05 HP (5.9 kW) horsepower and 8.70 Nm (0.9 kgf-m or 6.4 ft.lbs) torque. According to our records engine heat of the Hero Duet 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 90/100-10 and the rear is 90/100-10 . The entire package is supported by the frame, High Rigidity Underbone Type. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Hero Duet was launched in 2019, 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.