A Dual Overhead Cam engine unlike the run-off-the-mill motorcycle engine comes with an additional camshaft. This additional camshaft makes the movement of the pistons within the engine seamless. The additional camshaft also helps to make the movement of the engine head valves seamless.
The dual overhead cam engine can be labelled as an enhanced single overhead camshaft engine. Presently, motorcycle engines with dual overhead camshafts are considered the epitome of motorcycle engine innovation.