Engine
The 250 SX-F’s compact, state-of-the-art DOHC four-stroke engine is equipped as standard with an electric starter for the 2012 model year. Derived directly from the Marvin Musquin’s world championship bike, it excels with an extremely wide usable rev range and powerful performance from the bottom end up to beyond the nominal engine speed.
Valve Train
In the cylinder head with two overhead camshafts, four titanium valves are actuated by extremely lightweight, carbon-coated cam levers. This elaborate valve train, the ultra-light pistons and the 250 SX-F’s extremely short-stroke engine facilitate speeds of up to 13,400 1/min.
Bodywork
The 250 SX-F’s bodywork with the very slim seat and spoiler lines, plus excellent contact points, perfects the bike’s ergonomics, making handling even simpler and more precise.
Frame and Suspension
The 250 SX-F’s state-of-the-art frame made from high-quality chrome-molybdenum steel is not only extremely light and torsion-resistant. It is also characterised by a particularly balanced geometry that combines playful handling with razor-sharp precision.
The 250 SX-F’s linkage rear suspension bolsters playful handling and extreme traction. The lightweight aluminum swingarm is designed for optimum lateral stiffness, the linkage of the now more tautly-set WP shock absorber via a lever system provides high progressiveness and wide adjustment ranges.
Electric Starter
Years ago, KTM proved that an electric starter is very advantageous even in the tough sport of motocross. That’s why the 250 SX-F can now also be started at the press of a button. For weight saving, the electric starter can be removed and a kickstarter installed in its place.
Specifications
Quotes
Motorcycle-USA—-“The smallest-bore SX-F gets the electric start treatment for 2012, making KTM’s entire line of camshaft-equipped racers complete with push-button starting. An optional kick starter assembly is available for the 250 SX-F from KTM’s in-house performance PowerParts catalogue. In addition to the magic button, the quarter-liter machine also gets new EMS mapping. The WP upside-down 48mm forks recieves new seals and bushings, while both ends get new valving settings. A new rear master cylinder has been fitted to the Brembo brake system. “
gallery: 2012 KTM 250 SX-F
