KTM 640 LC4 Enduro 2003 - Specifications & Review

640 LC4 Enduro

Article Complete Info

Articleid936046
CategoryEnduro-offroad
MakeKTM
Model640 LC4 Enduro
Year2003

Chassis, Suspension, Brakes & Wheels

FrontbrakesSingle disc
Frontbrakesdiameter300 mm (11.8 inches)
FrontsuspensionWP-USD 43 MA
Fronttyre90/90-21
Frontwheeltravel275 mm (10.8 inches)
RearbrakesSingle disc
Rearbrakesdiameter220 mm (8.7 inches)
RearsuspensionWP - Monoshock
Reartyre130/80-18
Rearwheeltravel300 mm (11.8 inches)

Engine & Transmission

Borexstroke101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression11.5:1
CoolingsystemLiquid
Displacement625.00 ccm (38.14 cubic inches)
EnginedetailsSingle cylinder, four-stroke
FuelsystemCarburettor
Gearbox5-speed
Power54.80 HP (40.0 kW)) @ 7000 RPM
Torque55.00 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM
TransmissiontypefinaldriveChain
Valvespercylinder4

Physical Measures & Capacities

Dryweight149.0 kg (328.5 pounds)
Fuelcapacity12.00 litres (3.17 gallons)
Groundclearance310 mm (12.2 inches)
Powerweightratio0.3678 HP/kg
Reservefuelcapacity2.50 litres (0.66 gallons)
Seatheight925 mm (36.4 inches) If adjustable, lowest setting.

About KTM 640 LC4 Enduro 2003

Introducing the 2003 KTM 640 LC4 Enduro, a motorcycle that embodies the spirit of adventure and performance in the world of enduro riding. As a stalwart in KTM's lineup, this machine is designed for riders who crave the thrill of off-road challenges while also delivering impressive on-road capabilities. With its rugged good looks and race-ready demeanor, the 640 LC4 Enduro is positioned as an ideal choice for enthusiasts seeking a versatile, reliable companion for both trail and street excursions.

At the heart of the 640 LC4 Enduro lies a potent 625cc single-cylinder, four-stroke engine that produces a remarkable 54.8 horsepower at 7,000 RPM and a robust torque of 55 Nm at 5,500 RPM. The engine's 11.5:1 compression ratio and four-valve setup ensure that power delivery is smooth and responsive, making it a blast to ride in various conditions. Riders will appreciate the 5-speed gearbox, which allows for quick acceleration and seamless shifts, enhancing the overall riding experience. Whether you're navigating through tight trails or cruising on open roads, the 640 LC4's impressive power-to-weight ratio of 0.3678 HP/kg provides exhilarating performance that keeps the adrenaline flowing.

The KTM 640 LC4 Enduro is equipped with cutting-edge features that elevate its performance and comfort. The WP-USD 43 MA front suspension and WP monoshock rear suspension offer an impressive travel of 275 mm and 300 mm respectively, ensuring that every bump, root, and rock is absorbed with ease. The single disc brakes—300 mm at the front and 220 mm at the rear—provide reliable stopping power, while the bike's ground clearance of 310 mm gives it an edge when tackling rough terrains. With a seat height of 925 mm, it strikes a balance between accessibility for shorter riders and a commanding stance for taller enthusiasts. Additionally, the 12-liter fuel tank allows for extended rides without the constant need for refueling, making it ideal for those long-distance adventures.

PROs:

  1. Versatile Performance: The 640 LC4 excels in both off-road and street conditions, making it a true all-rounder.
  2. Powerful Engine: With 54.8 HP and robust torque, the bike delivers exhilarating acceleration and responsiveness.
  3. Advanced Suspension: The high-quality WP suspension components provide excellent shock absorption and handling, ensuring a smooth ride on rough terrains.

CONs:

  1. Weight Considerations: At 149 kg, some riders may find the bike slightly heavy for extreme technical riding or maneuvering in tight spaces.
  2. Seat Height: With a 925 mm seat height, it may not be comfortable for shorter riders or those who prefer a lower center of gravity.
  3. Carburettor Fuel System: While reliable, the carburettor setup may require more maintenance and tuning compared to modern fuel-injected systems, particularly in varying altitudes or temperatures.

In summary, the 2003 KTM 640 LC4 Enduro is a remarkable motorcycle that combines power, agility, and advanced technology, making it a favorite among off-road and dual-sport enthusiasts. Whether you're tackling rugged trails or cruising through the city, this bike promises to deliver a thrilling ride every time you swing a leg over it.

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