2017 KTM 150 SX, In A Class Of Its Own The engine of the 150 SX is well-known as the most powerful and most competitive engine of the class. However, it is time to give a new push to the segment and set a clear statement that 2-stroke technology is going to have a successful future due to its outstanding power-to-weight ratio, low cost and simplicity. The newly developed 150 cc engine for model year 2016 features a completely new architecture with the latest know-how and state-of-the-art technology. The result is that it produces better power all over the rev range, it's more than 2 kg lighter than the predecessor and it is much more compact.
2014 Ktm 150 SX, Great Shape! - With a stronger engine, the 2014 150 SX keeps even closer on the heels of the 250cc 4-strokes, not the least thanks to its unbeatably low weight.