KTM 640 Duke II Yellow - Black
2004Super Moto

KTM 640 Duke II Yellow - Black

Key specifications

Engine
625 cc
Power
54 HP
Torque
60 Nm
Weight
149 kg
Fuel type
petrol
Fuel capacity
3.2 L
Transmission
5-speed
Seat height
35 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2004 KTM 640 Duke II Yellow - Black, a remarkable entry in the super motard segment that combines striking aesthetics with exhilarating performance. This bike stands out not only for its vibrant yellow and black color scheme but also for its pedigree as part of KTM's renowned Duke lineage. Positioned as a versatile motorcycle ideal for both urban commuting and spirited weekend rides, the Duke II is designed to captivate riders who crave agility and a sporty riding experience. While it may not be available in the US market, it has garnered a loyal following across Europe and beyond, making it a hidden gem for enthusiasts and collectors alike. At the heart of the 640 Duke II lies a robust 625cc single-cylinder, four-stroke engine that delivers an impressive 53.64 horsepower at 7,000 RPM. With a torque output of 60 Nm at 5,500 RPM, this powerplant ensures spirited acceleration and lively throttle response, making every ride a thrill. The engine features a liquid cooling system and a carburettor fuel system, optimizing performance and efficiency. Riders will appreciate the smooth power delivery through the 5-speed gearbox, which complements the bike's lightweight construction, tipping the scales at just 149 kg. With a power-to-weight ratio of 0.3600 HP/kg, the Duke II is agile and responsive, allowing for confident maneuvers and spirited cornering on twisty roads. The 640 Duke II is not just about performance; it’s equipped with a host of features that enhance the overall riding experience. The frame is crafted from chromium-molybdenum, power-coated for added durability while maintaining a lightweight profile. The WP-USD 43 MA front suspension and WP monoshock rear suspension provide excellent handling and comfort, absorbing bumps with ease. The braking system features a substantial 320 mm front disc and a 220 mm rear disc, ensuring reliable stopping power when you need it most. With a ground clearance of 270 mm, the Duke II is ready to tackle any obstacle, making it as versatile off-road as it is on asphalt. **

Pros

  • Agile Performance: The lightweight design and powerful engine make for an exhilarating ride, perfect for urban environments and twisty roads.
  • Stylish Aesthetics: The eye-catching yellow and black color scheme adds a unique flair that turns heads wherever you go.
  • Durable Build: The chromium-molybdenum frame and quality suspension components provide robustness and longevity, making it a reliable choice for adventurous riders.

Cons

  • Limited Availability: Not available in the US, which may hinder accessibility for some potential buyers.
  • Single-Cylinder Vibe: While it offers excellent torque, some riders may prefer the smoother power delivery of a multi-cylinder engine.
  • Height Consideration: With a seat height of 900 mm (35.4 inches), it may not be suitable for shorter riders, affecting comfort and confidence.

Technical details

Source specification data

Make
KTM
Model
640 Duke II Yellow - Black
Category
Super motard
Comments
Not available in the US.
Power
53.64 HP (39.2 kW)) @ 7000 RPM
Torque
60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5500 RPM
Gearbox
5-speed
Fuel System
Carburettor
Bore X Stroke
101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression
11.7:1
Displacement
625.00 ccm (38.14 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Transmission Type Final Drive
Chain
Dry Weight
149.0 kg (328.5 pounds)
Seat Height
900 mm (35.4 inches) If adjustable, lowest setting.
Fuel Capacity
12.00 litres (3.17 gallons)
Overall Width
640 mm (25.2 inches)
Overall Height
640 mm (25.2 inches)
Ground Clearance
270 mm (10.6 inches)
Power Weight Ratio
0.3600 HP/kg
Alternate Seat Height
675 mm (26.6 inches) If adjustable, highest setting.
Trail
64 mm (2.5 inches)
Frame Type
Chromium-molybdenum, power-coated
Front Tyre
120/70-17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP - Monoshock
Front Suspension
WP-USD 43 MA
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
320 mm (12.6 inches)