Liquid-Cooled 108 Cubic Inch Motor delivering 122 Horsepower and 128 ft-lbs. of Torque to Power New Indian Challenger MINNEAPOLIS (OCTOBER 22, 2019) – Indian Motorcycle, America’s First Motorcycle Company, raised the bar for American motorcycles today with the announcement of its most powerful engine to date, the PowerPlus. The all-new 108 cubic inch, liquid-cooled, V-twin engine delivers a … Continue reading INDIAN MOTORCYCLE DELIVERS MOST POWERFUL ENGINE IN ITS CLASS WITH NEW POWERPLUS – A NEW LEVEL OF V-TWIN PERFORMANCE FROM AMERICA’S FIRST MOTORCYCLE COMPANY