
KTM 640 LC4 SMC Black
Key specifications
Overview
Introducing the 2005 KTM 640 LC4 SMC Black, a machine that embodies the spirit of the supermotard genre. With its aggressive styling and lightweight frame, this motorcycle stands out as a true contender in the world of urban riding and off-road capabilities. Designed for those who crave a thrilling experience on both twisty backroads and city streets, the 640 LC4 SMC is a testament to KTM’s commitment to performance and innovation. While it may not be available in the USA, this bike has garnered a dedicated following across Europe and beyond, making it a coveted choice among enthusiasts who appreciate its unique blend of functionality and flair. At the heart of the 640 LC4 SMC lies a robust 625cc single-cylinder, four-stroke engine that delivers an exhilarating 53.64 horsepower at 6750 RPM and a torque of 60 Nm at 5750 RPM. This powerful engine configuration is complemented by a 5-speed gearbox, allowing riders to seamlessly shift through the gears and harness the bike’s full potential. The compression ratio of 11.7:1, combined with a Mikuni BST 40 carburettor, ensures that the engine provides responsive power delivery and an engaging throttle response. Whether you’re carving corners in the city or tackling dirt paths, the 640 LC4 SMC is engineered for excitement, making every ride an adventure. The motorcycle’s features further elevate its performance and appeal. Built on a chromium-molybdenum frame, the bike boasts a lightweight design at just 149 kg (328.5 lbs), enhancing its agility and maneuverability. The WP-USD 48 mm front suspension and WP monoshock at the rear provide 335 mm of rear travel, ensuring that the bike can absorb shocks and bumps with ease. Stopping power is delivered via single disc brakes with a 320 mm diameter in the front and 220 mm in the rear, offering precise control and confidence during braking. With a ground clearance of 280 mm and a seat height of 910 mm, the 640 LC4 SMC is well-suited for both tall and shorter riders, providing a comfortable riding position for a variety of enthusiasts. **
Pros
- Powerful Engine: The single-cylinder engine delivers impressive power and torque, making it fun to ride in various conditions.
- Lightweight and Agile: Weighing only 149 kg, the bike is incredibly agile, allowing for nimble handling and responsive cornering.
- High-Quality Suspension: The WP suspension setup provides excellent feedback and comfort, easily absorbing rough terrain and urban obstacles.
Cons
- Not Available in the USA: Limited availability can be a drawback for American riders looking to own this model.
- Seat Height: With a seat height of 910 mm, it may be less accessible for shorter riders.
- Carburettor System: Some riders may prefer a fuel-injected system for smoother performance and easier maintenance.
Technical details
Source specification data
- Make
- KTM
- Model
- 640 LC4 SMC Black
- Category
- Super motard
- Starter
- Electric & kick
- Comments
- Not available in the USA.
- Color Options
- Black
- Power
- 53.64 HP (39.2 kW)) @ 6750 RPM
- Clutch
- Wet multi-disc clutch, operated hydraulically
- Torque
- 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5750 RPM
- Gearbox
- 5-speed
- Ignition
- Kokusan DC-CDI
- Fuel System
- Carburettor. Mikuni BST 40
- 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
- Lubrication System
- Pressure lubrication with 2 Eaton pumps
- Valves Per Cylinder
- 4
- Transmission Type Final Drive
- Chain
- Dry Weight
- 149.0 kg (328.5 pounds)
- Seat Height
- 910 mm (35.8 inches) If adjustable, lowest setting.
- Fuel Capacity
- 11.20 litres (2.96 gallons)
- Overall Width
- 640 mm (25.2 inches)
- Overall Height
- 640 mm (25.2 inches)
- Ground Clearance
- 280 mm (11.0 inches)
- Power Weight Ratio
- 0.3600 HP/kg
- Rake
- 27.0°
- Trail
- 99 mm (3.9 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 48 mm (1.89´
- Rear Wheel Travel
- 335 mm (13.2 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 320 mm (12.6 inches)