2013 KTM 150 SX, Call today to make an appointment... 2013 KTM 150 SX THE BEST OF BOTH WORLDS. The 2013 KTM 350 EXC-F is the most capable mid-size street legal dual-sport bike available that can also handle demands of the enduro racing. Ultra-compact, with 57.5 mm (2.264 in) stroke and 88 mm (3.46 in) bore, and equipped with state-of-the-art electronic fuel injection, the engine offers a broad usable rev range. This delivers extremely efficient rideability and controllable traction on all terrain. (Listed price does not include $98 doc fee)