Back to Bike FinderYears: 2019 · 2018 · 2017 · 2016 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008
KTM 690 Duke
2009Naked

KTM 690 Duke

Key specifications

Engine
654 cc
Power
64 HP
Torque
67 Nm
Weight
149 kg
Fuel type
petrol
Fuel capacity
3.6 L
Transmission
6-speed
Seat height
34 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2009 KTM 690 Duke, a naked bike that perfectly embodies the essence of street versatility and spirited performance. With its edgy styling and striking orange color, the Duke stands out in the crowded motorcycle marketplace, appealing primarily to urban riders and enthusiasts looking for a blend of agility and power. This model, part of KTM's renowned Duke lineup, was crafted for those who crave the thrill of the ride while enjoying the comfort and ease of handling that come with a lightweight motorcycle. At the heart of the 690 Duke is its potent 654cc single-cylinder, four-stroke engine, engineered to deliver an exhilarating ride. Producing a robust 64.36 horsepower at 7,500 RPM and an impressive torque of 67 Nm at 5,500 RPM, this motorcycle excels in acceleration and responsiveness. The liquid-cooled engine, combined with a sophisticated Keihin EFI fuel system and a 6-speed gearbox, ensures smooth power delivery and effortless gear shifts. Riders will appreciate the bike's nimble handling, thanks to its lightweight design at just 148.5 kg (327.4 pounds) and a power-to-weight ratio of 0.4334 HP/kg, making it a joy to navigate through city streets and twisty backroads alike. The 2009 Duke is equipped with a sturdy chromium-molybdenum trellis frame, which not only enhances its aesthetic appeal but also contributes to its exceptional handling. The WP USD front suspension and WP mono shock with

Pros

  • Lightweight and Agile: Weighing just 148.5 kg, the Duke offers excellent maneuverability, making it ideal for urban riding and spirited cornering.
  • Powerful Engine: The 654cc engine is both responsive and robust, providing a thrilling ride and impressive acceleration.
  • Distinctive Design: The trellis frame and vibrant color options create a visually striking motorcycle that turns heads wherever it goes.

Cons

  • Single-Cylinder Vibration: The single-cylinder design can lead to noticeable vibrations at higher RPMs, which may affect comfort on longer rides.
  • Limited Passenger Comfort: With a seat height of 865 mm and a focus on solo riding, the Duke may not be ideal for two-up riding or for shorter riders.
  • Minimal Wind Protection: As a naked bike, it lacks fairings, which means riders may experience more wind resistance at highway speeds.

Technical details

Source specification data

Make
KTM
Model
690 Duke
Category
Naked bike
Starter
Electric
Color Options
Orange, white, black
Power
64.36 HP (47.0 kW)) @ 7500 RPM
Clutch
APTC Wet multi-disc clutch, operated hydraulically
Torque
67.00 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 5500 RPM
Gearbox
6-speed
Fuel System
Injection
.
I
with
Bore X Stroke
102.0 x 80.0 mm (4.0 x 3.1 inches)
Compression
11.8:1
Displacement
654.00 ccm (39.91 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Exhaust System
Stainless steel underfloor silencer with integrated catalytic converter
Lubrication System
Pressure lubrication with 2 Eaton pumps
Valves Per Cylinder
4
Dry Weight
148.5 kg (327.4 pounds)
Seat Height
865 mm (34.1 inches) If adjustable, lowest setting.
Fuel Capacity
13.50 litres (3.57 gallons)
Ground Clearance
155 mm (6.1 inches)
Power Weight Ratio
0.4334 HP/kg
Rear Tyre
160/60-17
Frame Type
Chromium
-
Molybdenum
trellis frame, powder coated.
Aluminium
7020 subframe.
Front Tyre
120/70-17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP mono shock with Pro-Lever linkage
Front Suspension
WP USD
Rear Wheel Travel
140 mm (5.5 inches)
Front Wheel Travel
140 mm (5.5 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
320 mm (12.6 inches)

Available colors

Orangewhiteblack