It appears you're interested in specifications for the Harley-Davidson Street 750 Dark Custom. This Custom / cruiser model is powered by a Revolution X engine V2, four-stroke engine with 753.85 ccm (46.00 cubic inches) of actual displacement before 11.0:1 compression. Fueling is metered via Injection. Mikuni Single Port Fuel Injection, 38 mm bore. allowing this machine to produce its 57.00 HP (41.6 kW) horsepower and 60.34 Nm (6.2 kgf-m or 44.5 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Street 750 Dark Custom is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 100/80-R17 and the rear is 140/75-R15 . 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. 2-piston floated front and rear front brakes and Single disc. 2-piston floated front and rear rear brakes. The Harley-Davidson Street 750 Dark Custom was launched in 2016, 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.