Ktm Duke 690
The KTM 690 Duke was introduced in 2008 as a successor to the 640 Duke, featuring a brand-new single-cylinder LC4 engine and establishing itself as the world's most powerful production single-cylinder motorcycle at the time. It underwent a significant second-generation redesign in 2012 with improved ergonomics and electronics, followed by another major update in 2016 introducing ride-by-wire, cornering ABS, and traction control. It remains a benchmark naked single-cylinder streetfighter, celebrated for its lightweight agility, punchy power delivery, and supermoto-inspired handling.
73 hp
Power
73 Nm
Torque
149 kg
Weight
175 km/h
Top Speed
4.5 L/100km (approx. 22 km/L, typical real-world average)
Fuel
Naked
Body
What Buyers Should Know
Single-Cylinder Powerhouse
The 690 Duke's LC4 engine is one of the most powerful production single-cylinder motors ever made, producing ~73hp. This unique character gives it aggressive performance rarely found in its class.
Watch the Valves
The LC4 engine requires strict valve clearance checks every 6,000 miles — skipping this is the most common cause of costly engine damage on used examples. Always verify service history before buying.
Strong Resale Value
KTM 690 Dukes hold their value well due to their niche appeal and loyal following, often retaining 70-80% of value after two years. Low production numbers and high demand keep the used market competitive.
Full Specifications
Rivals & Alternatives
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