THUNDERSTROKE ENGINE

The Thunderstroke engine delivers class leading performance - without sacrificing the smooth, accessible delivery that set the standard for the industry.

Thunderstroke Engine Options & Accessories

AIR-COOLED V-TWINS

The award-winning Thunderstroke engine delivers exceptional torque. And three ride modes- Tour, Standard, and Sport- giving your bike the feel that’s right for you.

THUNDERSTROKE 111

Drawing external design inspiration from the rich heritage of Indian Motorcycle’s past, the Thunderstroke 111 launched in 2013 as the first clean-sheet design in seven decades. Delivering 119 ft-lbs of torque for impressive acceleration and passing power, this engine is featured on select base models for Chief, Indian Springfield, and Chieftain.

THUNDERSTROKE 116

Offered initially as an upgrade for the stock Thunderstroke 111 motors, the Thunderstroke 116 launched as the stock engine on certain models in 2019, and delivers 20% more horsepower than the stock Thunderstroke 111. Producing 126 ft-lbs of torque for exceptional power at low RPMs and a smooth ride at any speed allows for raw power and responsiveness that today’s riders crave.