Indian Motorcycle revealed its all-new Thunder Stroke 111 engine, the first engine developed under its new Polaris Industries ownership and the powerplant for the 2014 model year. According to Polaris, the Thunder Stroke 111 engine has already undergone over a million miles of testing, including thousands of miles of on-road testing.
Polaris deserves some credit for developing an all-new engine for Indian Motorcycle instead of just re-using the 106ci Freedom V-Twin engine used in the current Victory Motorcycles lineup. Instead, Polaris worked to develop a whole new engine in less than two years after the acquisition, providing modern engine technology to the 112-year-old Indian Motorcycle brand.
At 111ci (1811cc in metric) Thunder Stroke 111 engine is larger than the Freedom engine, while its 49-degree V-Twin configuration is just a tad narrower than the Freedom’s 50-degree V. According to Indian, the fuel-injected new engine is air-cooled with an integrated oil cooler and delivers more than 115 ft-lb. of torque, whereas the Freedom engine claims up to 110 ft-lb. of torque. Continue Reading »