Ktm Duke 990
The KTM 990 Duke does not exist as a production model — KTM produced the 950 Duke (2003–2005) and later the 1290 Super Duke R, skipping a '990 Duke' variant entirely. The 990 designation was used in KTM's adventure and supermoto lines (990 Adventure, 990 SMT), but never for a Duke-badged model. This may be a confusion with those related models or an anticipated future model.
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Power
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Torque
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Weight
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Top Speed
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Fuel
Naked
Body
What Buyers Should Know
LC8 Engine Heritage
The 990 Duke uses KTM's proven LC8 V-twin engine, shared with the Adventure and Super Duke lineup, giving it a well-documented service history and widely available parts. With proper maintenance, these engines are known to exceed 100,000 km reliably.
Watch the Throttle Bodies
A common issue on the 990 Duke is throttle body synchronization drifting over time, causing rough idling and uneven power delivery. Budget for periodic TPS checks and throttle body balancing during routine service intervals.
Strong Resale Value
The 990 Duke holds its value well due to limited production numbers and strong cult following among KTM enthusiasts. A well-maintained example typically retains 60–70% of its original value after five years, making it a smart buy.
Full Specifications
Rivals & Alternatives
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