2014 Indian CHIEFTAIN fdnfd in Chicago, IL

Powerplus, a side-valve V-twin, which was introduced in 1916. Its 61ci (1000 cc), 42 degree V-twin engine was more powerful and quieter than previous designs, giving a top speed of 60 mph (96 km/h). The Powerplus was highly successful, both as a roadster and as the basis for racing bikes. It remained in production with few changes until 1924.