
KTM 640 LC4 Enduro
Key specifications
Overview
Introducing the 2006 KTM 640 LC4 Enduro, a masterclass in off-road capability and rugged versatility that has earned its place among the elite in the Enduro category. Designed for those who crave adventure, this motorcycle seamlessly marries race-ready performance with everyday usability, making it a popular choice for riders who demand nothing short of excellence. While it may not have made its way to the USA, the 640 LC4 Enduro has garnered a loyal following in other markets, appealing to enthusiasts who appreciate its unmatched ability to tackle various terrains with confidence. At the heart of the KTM 640 LC4 Enduro lies a robust 625cc single-cylinder, four-stroke engine, characterized by its impressive 11.7:1 compression ratio. This powerhouse produces exhilarating torque, delivering a thrilling ride whether you're navigating rocky trails or cruising through open fields. The combination of the Mikuni BST 40 carburetor and Kokusan DC-CDI ignition ensures a responsive throttle and smooth power delivery. Riders will appreciate the 5-speed gearbox that provides an engaging experience, allowing them to shift seamlessly between gears as they conquer steep inclines or dart through tight corners. With a weight of just 148 kg (326.3 pounds), the bike remains nimble and easy to handle, enhancing its off-road prowess. KTM has packed the 640 LC4 Enduro with advanced features and technology designed to elevate the riding experience. The central double-cradle frame of 25 CrMo4 steel provides exceptional rigidity while maintaining a lightweight profile. The WP suspension system—featuring 43 mm front forks with an impressive 300 mm of travel and a rear monoshock with 335 mm of travel—ensures that the bike can absorb the toughest bumps and obstacles without compromising comfort or stability. Additionally, the dual-disc braking system, with a 300 mm front disc and a 220 mm rear disc, offers precise stopping power, making it a reliable companion on both rugged trails and city streets. With an adjustable seat height of 910 mm (35.8 inches) and a fuel capacity of 11.20 liters (2.96 gallons), the bike is designed for long rides and challenging adventures. **
Pros
- Exceptional Off-Road Capability: The combination of the lightweight frame, powerful engine, and advanced suspension allows for impressive performance on rugged terrain.
- Versatile Riding Experience: The bike excels in various environments, from tight trails to open fields, making it ideal for adventure seekers.
- Innovative Features: The electric and kick-start options provide convenience, while the advanced braking and suspension systems enhance safety and ride quality.
Cons
- Limited Availability: The 640 LC4 Enduro is not available in the USA, making it a challenge for American enthusiasts to access this remarkable machine.
- Height: With a seat height of 910 mm (35.8 inches), it may be less accessible for shorter riders, potentially affecting comfort and confidence on the bike.
- Maintenance Requirements: The high-performance engine and components may require more frequent maintenance and care compared to more standard motorcycles.
Technical details
Source specification data
- Make
- KTM
- Model
- 640 LC4 Enduro
- Category
- Enduro-offroad
- Starter
- Electric & kick
- Comments
- Not available in the USA.
- Clutch
- Wet multi-disc clutch, operated hydraulically
- 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
- Exhaust System
- Stainless steel
- Lubrication System
- Pressure lubrication with 2 Eaton pumps
- Valves Per Cylinder
- 4
- Dry Weight
- 148.0 kg (326.3 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)
- Ground Clearance
- 300 mm (11.8 inches)
- Rake
- 28.0°
- Trail
- 112 mm (4.4 inches)
- Rear Tyre
- 140/80-18
- Frame Type
- Central double-cradle-type 25 CrMo4
- Front Tyre
- 90/90-21
- Rear Brakes
- Single disc
- Front Brakes
- Single disc
- Rear Suspension
- WP Monoshock with Pro Lever
- Front Suspension
- WP-USD 43 mm (1.89 inches)
- Rear Wheel Travel
- 335 mm (13.2 inches)
- Front Wheel Travel
- 300 mm (11.8 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 300 mm (11.8 inches)