![](https://cdn1.polaris.com/globalassets/indian/2023/model/model-pages/chieftain-dark-horse/1-overview/1-hero/chieftain-dark-horse-my23-84bb-hero-xxs.jpg?v=abc2cdd1)
Thunderstroke Engine Options & Accessories
![](https://cdn1.polaris.com/globalassets/indian/root/thunderstroke-landing-page/02-features/indian-thunderstroke-engine-features-01-xxs.jpg?v=b8c31912)
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.
![](https://cdn1.polaris.com/globalassets/indian/root/thunderstroke-landing-page/02-features/indian-thunderstroke-engine-features-02-xxs.jpg?v=b8c3191c)
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.
![](https://cdn1.polaris.com/globalassets/indian/root/thunderstroke-landing-page/02-features/indian-thunderstroke-engine-features-03-xxs.jpg?v=b8c31925)
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.
![](https://cdn1.polaris.com/globalassets/indian/root/thunderstroke-landing-page/02-features/indian-thunderstroke-engine-features-04-xxs.jpg?v=b8c31909)
THUNDERSTROKE ACCESSORIES
Our lineup of performance accessories can significantly modify the overall look, sound, and performance of each engine.
WHICH INDIAN MOTORCYCLES HAVE THE THUNDERSTROKE ENGINE?
![](https://cdn1.polaris.com/globalassets/indian/2023/model/vehicle-cards/chief-bobber-abs-my23-84bb-black-metallic.png?v=abd8f50c)
CHIEF
![](https://cdn1.polaris.com/globalassets/indian/2023/model/vehicle-cards/springfield-dark-horse-my23-84bb-black-smoke.png?v=a927ccb4)
INDIAN SPRINGFIELD
![](https://cdn1.polaris.com/globalassets/indian/2021/model/chieftain-thunder-black.png?v=b8c31909)
CHIEFTAIN
![](https://cdn1.polaris.com/globalassets/indian/2023/model/vehicle-cards/roadmaster-dark-horse-my23-84bb-bronze-pearl-metallic.png?v=a927f4b6)
ROADMASTER
COMPARE KEY SPECIFICATIONS
We put together a quick side by side comparison of key specifications.
![Key Specifications Table for TunderStroke Engine 111 and 116](https://cdn1.polaris.com/globalassets/indian/root/thunderstroke-landing-page/thunderstroke-comparison-xxs.png?v=b8c3192f)
*Refers to Chief Models
EXPLORE ALL INDIAN MOTORCYCLE ENGINES
Curious to learn more about all of our engine offerings?