The quickest bike wins any quarter-mile contest, so elapsed time is more significant, and there are many variables involved, most of them involving the start. But to a professional drag racer/instructor like nine-time World Champion Rickey Gadson, how fast that bike is moving at the finish means one thing. “Miles per hour is a clear indication of horsepower,” he says. “You can take two motorcycles—a 600 and a 750, for instance. Run them down the quarter-mile under the same professional rider, and that rider may post quicker times on the 600 by virtue of being able to apply more power on the track for the first 300 feet than he could on the more powerful, more wheelie-prone 750, which took more time to get the throttle wide-open. The 600 ends up with the better elapsed time, but the 750’s horsepower advantage is revealed in its higher terminal speed.” More power only matters if you can put it on the pavement.