The KTM 450 SX-F has new engine case to reduce weight. The piston has been modified for more durability, the DDS clutch get a 280 Nm clutch spring and a new three-layer cylinder head gasket to increase durability. The 450 SXF also features a lightened camshaft with a strengthened auto-decompression mechanism.
All 2014 KTM models get a revised chain guide for more reliability and less weight. There is a new front brake lever, actuator and reservoir. The saddles have new foam cores. All models in the SX range are equipped with a new, lightweight, polyethylene, 1.98 gallon gas tanks, which have revised gas caps. The fuel pump on the four-stroke motocross models is the now the same as the pump used on the four-stroke enduro models.
The 250SXF transmission has been changed from six-speeds to five-speeds in Europe.
2014 250SX TWO-STROKE
The KTM SX two-stroke range features the exact same brake, seat, fuel tank and graphic updates as the SXF four-stroke models. Most notably, Boyesen reeds will replace the V-Force reeds of the past.
2014 150SX TWO-STROKE
2014 125SX TWO-STROKE
2014 85SX TWO-STROKE