KTM 640 LC4 Enduro - 2004 Specifications and Reviews

The 2004 KTM 640 LC4 Enduro is a single-cylinder offroad machine built for adventure riders seeking reliable long-distance capability. Its 625cc liquid-cooled engine delivers strong low-end torque ideal for technical terrain, while the robust construction and proven LC4 platform make it a dependable companion for serious enduro exploration and backcountry travel.

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General information

CategoryEnduro / offroad
Year2004
ModelKTM 640 LC4 Enduro

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel controlOHC
Fuel systemCarburettor
Bore x stroke101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression11.5:1
Torque55.00
Power53.64
Stroke4
Engine typeSingle cylinder
Capacity:625.00 ccm (38.14 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,510 mm (59.4 inches)
Ground clearance310 mm (12.2 inches)
Overall width640 mm (25.2 inches)
Overall height640 mm (25.2 inches)
Alternate seat height675 mm (26.6 inches) If adjustable, highest setting.
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight149.0 kg (328.5 pounds)

KTM 640 LC4 Enduro dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Front tyre dimensions90/90-21
Rear suspensionWP - Monoshock
Front suspensionWP-USD 43 MA
Frame typeChromium-molybdenum, power-coated

Speed and acceleration

Power/weight ratio0.3600 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsOrange
Fuel capacity12.00 litres (3.17 gallons)

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 925mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2004 KTM 640 LC4 Enduro, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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