![]() Most of KTM’s other bikes have moved to the DDS clutch with a diaphragm spring, but the engineers still feel that this clutch is best for this power delivery. ![]() The motor has a five-speed gearbox with a fairly conventional coil-spring clutch. Two years ago KTM did away with the kickstarter provision. KTM was the first to use this on a motocross bike, but now Honda has followed suit with the new CRF250R. The motor is a short-stroke, double-overhead-cam design that uses finger-followers between the cams and the valves. The bike has been in a constant state of change in previous years, so there’s still a lot to know. The frame is orange, and there are some cosmetic differences. There’s a change in the shifting mechanism. The clutch-plate material has been altered. The fork and shock have different valving. You can count them without taking off your shoes. KTM made big changes to this bike in 20, but for 2018 the engineers were allowed to take a breather. The orange frame isn’t just for the Factory Edition anymore. It isn’t for everyone, but if you’re a pure motocross racer, you’re KTM 250SX-F material. ![]() It’s currently the lightest, the fastest and one of the most expensive machines in its class. The bike is a racer, through and through. There’s no mistaking the KTM 250SX-F for something it isn’t.
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