Beginning with its V-twin engine, the 1500 Classic produces incredible low-rpm torque that’s perfect for city streets or open highways. This advanced, liquid cooled, SOHC design displaces 90 cubic inches and shines with elegantly sculpted cylinders and polished cooling fins, while the large radiators are tucked from view between the frame downtubes.

Other engine features include a large airbox crossover tube that helps improve mid-range torque and increases airflow to the 40mm Keihin carburetor with Kawasaki Throttle Responsive Ignition Control (K-TRIC) system. A throttle position sensor is connected to the electronic ignition to vary ignition timing according to throttle setting and engine rpm. The result is better engine response and lower fuel consumption.

Both of the big V-twin’s cylinders have four valves actuated by a single overhead cam. Hydraulic valve lash adjusters automatically maintain valve clearance for smooth engine performance, reduced noise and no maintenance while automatic cam chain tensioners keep cam timing accurate.

The Vulcan 1500 Classic’s five-speed transmission takes advantage of the engine’s generous torque by utilizing precisely spaced gears to provide smooth, quiet shifting for seamless acceleration. The top gear provides a relaxed engine speed on the highway. The hydraulically actuated clutch provides progressive torque absorption to help ensure smooth and precise power delivery to a reliable, quiet shaft drive that requires minimal maintenance.

A gear-driven engine counterbalancer and rubber engine mounts reduce handlebar and floorboard vibration. The engine produces a distinct V-twin rumble and more than 83 foot-pounds of torque at 3,000 rpm. A crack of the throttle punches out smooth acceleration while a large alternator provides enough output to power electrical accessories.