Horsepower is deceiving. My 1981 Yamaha 1100 special ran the quarter mile in 11.73 with 95 HP and 66 pounds of torque to the crank at 603 lbs. My 2005 or 2014 Rocket ran the quarter mile at 11.43 with 146/148 HP and 163/168 to the crank at 790 lbs. So with 52 more HP, 100 more pounds of torque and 190 pounds heavier the Rocket was only .33 seconds faster and that's in a straight line. In the back roads with tight twisties the Yamaha would eat the Rockets lunch. Also, the experience and talent of the rider is a game changer also and could easily flip the race between the two motorcycles. Horsepower on different motorcycles is deceiving to say the least. It's apples to oranges on different motorcycles.