Motorcycle specifications KTM450 EXC 2012 Terror in E2

the 450 EXC rightly claims to be the most widely used bike in enduro sport, and the series winner of the E2 World Championship. The undisputed leader has been improved in every respect, from the frame and choice of materials to electronic fuel injection and engine control. Above all, it's the new chassis and OHC engine design that put the 450 EXC one step ahead of the competition. Featherweight, extreme agility and infinite power: these are the attributes of the winner.

new engine

In developing the new engine for the 450 EXC, KTM engineers have created a new dimension: the engine has been completely redesigned, and is now even more compact, lighter and more powerful than ever. Reduced moving masses and a balancing shaft limit vibrations

new electronic fuel injection / new electronic engine management

The new Keihin Engine Management System with electronic fuel injection ensures spontaneous engine response. An optional "Map Select" selector allows different engine characteristics to be activated.

new oil circuit

The new 450 EXC engine features a common oil circuit for the engine and gearbox, with two oil pumps. A pressure pump lubricates the engine, while a vacuum pump draws oil from the crankcase to lubricate the gearbox and clutch. A steel diaphragm creates a vacuum in the crankcase, providing additional engine power.

new balance shaft

The 450 EXC's new lateral balancer shaft not only eliminates vibrations, but also drives the water pump. This intelligent concentration of tasks contributes to the compactness and reduced weight of the new 450 EXC engine.

new crankcase

The 450 EXC's new crankcase weighs almost 2 kg (4 lb.) less than its predecessor, and is at the same time more resistant to stones and falls. This has been achieved through the use of a high-strength, elastic aluminum alloy, and by switching from sand casting to die-casting.

new crankshaft

In developing the new crankshaft for the 450 EXC, KTM engineers paid particular attention to reducing moving mass. Thanks to the new, lighter connecting rod and piston, they were able to achieve minimal vibration and maximum resistance at high revs.

new cylinder and piston

The 450 EXC's cylinder has been re-sized specifically for the new engine configuration. The new cast-iron piston, 15% lighter, reduces moving mass and optimizes high-speed stability. New nitrided rings ensure the highest wear resistance.

new cylinder head

The OHC cylinder head of the new 450 EXC engine has been completely redesigned: all ducts and combustion chamber are new. The new camshaft drives four valves via lightweight rocker arms, while the injection system uses top-of-the-range titanium valves.

new clutch

The 450 EXC's new clutch, with its robust steel bell housing and gear-saving anti-shock device, uses a disc spring for the first time, instead of the usual spiral springs, considerably reducing activation effort. Brembo® hydraulic control allows sensitive modulation of the clutch.

new muffler

The new muffler on the 450 EXC not only has more volume and a new design, it also reduces noise levels to meet future more stringent standards.

new frame

The completely redesigned frame in top-grade chrome-molybdenum steel boasts even greater lateral torsional rigidity. It also provides even better shock absorption, further enhancing the 450 EXC's handling and comfort.

new swingarm, new PDS, new tuning

Lighter, the 450 EXC's new forged aluminum swingarm houses the shock absorber even more centrally, for better load distribution. The new PDS suspension, 7 mm (0.28 in) longer, with High/Lowspeed rebound and compression damping adjustment, is mounted flatter, offering greater progression.

retuned telescopic fork

The 450 EXC features the latest WP upside-down fork, with a wider adjustment range and a new focus. The sensitive response and excellent damping of the open cartridge fork with 48 mm (1.89 in) tubes contribute to the 450 EXC's extraordinary handling and precision.

new wheels

The new wheels could hardly be lighter and more stable, with their machined hubs, Excel rims, zinc/nickel-coated spokes and aluminum nipples. This reduces unsprung weight and the gyroscopic effect, contributing to the 450 EXC's extraordinary manoeuvrability.

bodywork

The 450 EXC's new bodywork, with its slim seat and spoiler lines and excellent contact points, further enhances ergonomics, making it even easier and more precise to ride. The longer mudguard protects the rider even more effectively against stone chips.

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