The 2005 KTM 640 LC4 Adventure is a enduro - offroad motorcycle manufactured by KTM, equipped with a 625.0 ccm (38.14 cubic inches) displacement unit (Single cylinder, four-stroke) with liquid cooling. In factory trim, the engine delivers a rated power of 53.6 HP (39.2 kW)) @ 7000 RPM and peak torque of 55.0 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM, paired with a 5-speed transmission and chain (final drive) final drive.
For rider ergonomics and real-world handling, key chassis measurements include a dry weight of 158.0 kg (348.3 pounds), seat height of 945 mm (37.2 inches) If adjustable, lowest setting., fuel capacity of 25.50 litres (6.74 US gallons). Review the complete factory specification tables below to evaluate engine internals, suspension travel, braking hardware, tyre sizes and ownership estimates, or compare the 2005 KTM 640 LC4 Adventure side by side against rival models in the Enduro - Offroad lineup.
Engine
Displacement625.0 ccm (38.14 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power53.6 HP (39.2 kW)) @ 7000 RPM
Torque55.0 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM
Compression11.7:1
Bore x Stroke101.0 x 78.0 mm (4.0 x 3.1 inches)
Valves/Cylinder4
Fuel SystemCarburettor. Mikuni BST 40
Fuel ControlOverhead Cams (OHC)
IgnitionKokusan DC-CDI
LubricationPressure lubrication with 2 Eaton pumps
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
