Ktm-Sportmotorcycle AG 5230 Mattighofen, Austria www.ktm.com
Ktm-Sportmotorcycle AG 5230 Mattighofen, Austria www.ktm.com
Ktm-Sportmotorcycle AG 5230 Mattighofen, Austria www.ktm.com
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
eNgiNe<br />
The previous KTM engines with 450 and 510 cc<br />
displacement were the reference in their class. The<br />
newly developed engine generation is superior to<br />
them both in every respect: new SOHC cylinder head,<br />
new cylinder, new ducts, new <strong>com</strong>bustion chamber,<br />
new camshaft, new forged pistons, new piston rings,<br />
new die-cast engine case, new crankshaft, new oil<br />
circuit, new clutch, new injection system, lighter,<br />
more <strong>com</strong>pact, more efficient performance. And those<br />
are only the most significant points.<br />
clutch<br />
New clutch system<br />
featuring smoothshifting,<br />
hydraulic<br />
clutch actuation from<br />
Brembo. Innovative,<br />
machined, steel outer<br />
clutch hub without<br />
rivets. The clutch<br />
package is pre-tensioned by means of a central<br />
spring washer. This facilitates a very flat construction<br />
with integrated back-damping, which<br />
ensures maximum traction in every situation<br />
and conserves the transmission.<br />
Engine<br />
case<br />
A weight saving of over 2 kg in the engine alone<br />
is a clear declaration of intent: The most significant<br />
contribution to this is made by the meticulously<br />
designed engine case, which is manufactured for<br />
the first time in a die-casting process. Also new is the<br />
elastic and, at the same time, high-strength aluminium<br />
alloy that provides the housing with the best possible<br />
protection from mechanical damage. The balancer shaft<br />
is positioned laterally and simultaneously drives the water<br />
pump, hence facilitating a slimmer and shorter design.<br />
450/500<br />
• Leading performance<br />
• Controllable power<br />
• Extremely lightweight, <strong>com</strong>pact package<br />
Engine<br />
management<br />
Groundbreaking power, direct responsiveness,<br />
homogeneous performance: in conjunction<br />
with the new engines, the new engine management<br />
system from Keihin provides for perfect<br />
performance characteristics in enduro use. The<br />
features: 42 mm throttle valve sensor, electronic<br />
cold-start enrichment, automatic adaptation to<br />
the respective temperature and altitude conditions.<br />
The oil-cooled 196 W alternator ensures<br />
reliable energy provision; the closed-loop lambda<br />
control reduces emission levels in the homologated<br />
condition. Optionally with map-select switch<br />
and the user-setting tool (PowerParts).<br />
SOHC<br />
cylinder head<br />
The new SOHC cylinder head has a <strong>com</strong>pletely<br />
redesigned <strong>com</strong>bustion chamber and flowoptimised<br />
ducts. By means of rocker arms, the<br />
overhead camshaft opens 4 valves that are<br />
made of high-quality titanium on the intake<br />
side. The overall concept has been perfectly<br />
tuned to the new injection system.<br />
Oil<br />
circuit<br />
All 4-stroke models have a <strong>com</strong>mon oil circuit with separate pressure<br />
and suction pumps. The pressure pump guarantees reliable<br />
pressurised lubrication of crankshaft, piston, balancer shaft and<br />
valve controls. It also ensures cooling of the ignition and lubrication<br />
of the clutch. A suction pump draws oil from the crankcase<br />
and uses it to lubricate the transmission. This creates a slight<br />
vacuum in the crankcase, which has the positive “side effect” of<br />
increasing engine performance.