(Robert Martin/) Motorcycle engines contain gear drives. Primary drives (engine-to-gearbox) have the highest meshing speed among them. When the camshafts are gear-driven (racing or near-racing ...

Riding a motorcycle is one of life's most exhilarating thrills, and it comes with a whole culture of clubs and passion. Motorcycles are celebrated for their agility and speed, especially when one ...

Indian Motorcycle's PowerPlus engine is the only American liquid-cooled ... across the rev range for unrivaled passing power in every gear.. With the PowerPlus, riders don't have to constantly ...