
KTM 690 Duke
Key specifications
Overview
Introducing the 2011 KTM 690 Duke, a fierce contender in the naked bike category that captures the essence of street riding excitement. With its edgy design and lightweight agility, the 690 Duke appeals to urban riders and enthusiasts alike, delivering a thrilling experience whether you’re navigating city streets or carving through winding roads. KTM, renowned for its off-road prowess, channels that same spirit into the 690 Duke, creating a motorcycle that is both versatile and adrenaline-inducing. At the heart of the 690 Duke lies a robust 654cc single-cylinder, four-stroke engine that churns out a spirited 64.37 horsepower at 7,500 RPM and a hearty 67 Nm of torque at 5,500 RPM. This combination not only provides exhilarating acceleration but also a punchy mid-range performance that many riders crave. The power delivery is smooth and responsive, making it a joy to ride in various conditions. Coupled with a 6-speed gearbox and an APTC slipper clutch, the Duke offers precise shifting and added control during aggressive riding, while the liquid cooling system ensures optimal engine performance even on the hottest days. The 690 Duke doesn’t just excel in engine performance; it’s also built with cutting-edge features and innovative technology. The trellis frame, crafted from chromium-molybdenum, is both lightweight and rigid, contributing to its nimble handling and stability. The suspension setup, featuring WP components with 48mm upside-down forks up front and a mono-shock in the rear, provides 140mm of travel on both ends, offering a balanced ride that absorbs bumps and enhances comfort. With powerful braking capability from a 320mm front disc and a 240mm rear disc, safety and responsiveness are paramount. And with an adjustable seat height of 865mm, the Duke accommodates a variety of rider heights, making it an accessible option for many. Overall, the 2011 KTM 690 Duke is a thrilling naked bike that excels in performance, handling, and style, making it a top choice for those looking to enjoy the open road with a bit of urban flair.
Pros
- Lightweight and Agile: At just 148.5 kg (327.4 lbs), the 690 Duke is incredibly maneuverable, making it perfect for urban commuting and spirited rides.
- Powerful Engine Performance: The single-cylinder engine delivers impressive power and torque, offering an exciting and engaging ride experience.
- Robust Suspension Setup: The high-quality WP suspension components provide excellent handling and comfort, ensuring a smooth ride over various terrains.
Cons
- Limited Passenger Comfort: The minimalist design may not provide the best comfort for a passenger, making it less ideal for two-up riding.
- Fuel Capacity: With a fuel tank capacity of only 13.5 liters (3.57 gallons), the range may be limited for longer journeys.
- Seat Height: At 865mm, the seat height might be a stretch for shorter riders, potentially affecting confidence at stops.
Technical details
Source specification data
- Make
- KTM
- Model
- 690 Duke
- Category
- Naked bike
- Starter
- Electric
- Power
- 64.37 HP (47.0 kW)) @ 7500 RPM
- Clutch
- APTC slipper clutch, hydraulically operated
- Torque
- 67.00 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 5500 RPM
- Gearbox
- 6-speed
- Driveline
- 16:40. Primary drive: 36:79.
- 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
- 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
- 0.4335 HP/kg
- Rake
- 26.5°
- Trail
- 115 mm (4.5 inches)
- Wheels
- Cast aluminium wheels 3.5 x 17in., 5 x 17in.
- Rear Tyre
- 160/60-R17
- Frame Type
- Chromium
- -
- Molybdenum
- trellis frame, powder coated.
- Subframe
- :
- Aluminium
- 7020.
- 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 48 mm (1.89 in)
- Rear Wheel Travel
- 140 mm (5.5 inches)
- Front Wheel Travel
- 140 mm (5.5 inches)
- Rear Brakes Diameter
- 240 mm (9.4 inches)
- Front Brakes Diameter
- 320 mm (12.6 inches)