The KTM 690 Duke was a motorcycle developed for KTM's line of midrange

single-cylinder engine A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, motorized bicycles, go-karts, all-terrain vehicles, radio-controlled vehicles, power tools ...

supermoto Supermoto is a form of motorcycle racing held on race tracks that alternate between three kinds of track surfaces: the hard packed dirt of flat track, the irregular jumps and obstacles of motocross, and the paved tarmac of road racing. Superm ...

, or

naked Nudity is the state of being in which a human is without clothing. While estimates vary, for the first 90,000 years of pre-history, anatomically modern humans were naked, having lost their body hair, living in hospitable climates, and not ...

motorcycle A motorcycle (motorbike, bike; uni (if one-wheeled); trike (if three-wheeled); quad (if four-wheeled)) is a lightweight private 1-to-2 passenger personal motor vehicle Steering, steered by a Motorcycle handlebar, handlebar from a saddle-style ...

s that began with the 1994

displacement Displacement may refer to: Physical sciences Mathematics and physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

Duke 620 or Duke I, followed by the 1998 Duke 640 or Duke II, followed by the Duke III, and finally the Duke IV made since 2012. Both the Duke III and Duke IV are called the 690 Duke The Duke was KTM's first

street A street is a public thoroughfare in a city, town or village, typically lined with Building, buildings on one or both sides. Streets often include pavements (sidewalks), pedestrian crossings, and sometimes amenities like Street light, streetligh ...

bike, and first

, having previously made only

off-road Off-roading is the act of driving or riding in a vehicle on unpaved surfaces such as sand, dirt, gravel, riverbeds, mud, snow, rocks, or other natural terrain. Off-roading ranges from casual drives with regular vehicles to competitive events w ...

and

racing In sports, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific g ...

motorcycles. In 1998 KTM introduced the 640 Supermoto, so the Duke line became a more street oriented

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...

streetfighter A streetfighter, muscle bike, or supernaked is a type of high-performance motorcycle. It is typically a large-displacement sport bike with the fairings and windscreen removed. Beyond simply removing fairings, specific changes that exemplify the ...

, while retaining some off-road characteristics like a relatively long suspension travel. Initially the Duke was KTM's entry level street bike, but later KTM partnered with

Bajaj Auto Bajaj Auto Limited ( ) is an Indian multinational automotive manufacturing company based in Pune. It manufactures motorcycles, scooters and auto rickshaws. Bajaj Auto is a part of the Bajaj Group. It was founded by Jamnalal Bajaj (1889–19 ...

to produce the 125 Duke, 200 Duke, and 390 Duke in India, placing the ''600 cc'' class Dukes in the middle of their range. In 2005, KTM introduced the Super Duke to expand the range above the middle Duke, initially and later growing to . KTM Duke620

Specifications

Notes

References

External links

{{Official website, http://www.ktm.com/in/ready-to-race.html Duke 690 Standard motorcycles Motorcycles introduced in 1994