Enduro Bikes

2005KTM 640 LC4 Enduro

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The 2005 KTM 640 LC4 Enduro is a versatile single-cylinder adventure bike designed for riders seeking off-road capability with on-road practicality. Its potent 625cc liquid-cooled engine and robust construction excel in mixed terrain riding and long-distance touring. Known for reliability and manageable weight, it appeals to intermediate to advanced riders tackling challenging trails and remote expeditions.

Capacity: 625.0 ccm
Engine: Single
Gearbox: 5-speed
Dry weight: 148.0 kg
Seat height: 910 mm
Power: 52.0 HP (38.2 kW)

⇄ Compare with another bike All model years

What’s new for the 2005 KTM 640 LC4 Enduro

vs the 2004

Spec	2004	2005
Power	53.6 HP (39.4 kW)	52.0 HP (38.2 kW)
Torque	55.0 Nm (5.6 kgf-m or 40.6 ft.lbs)	not listed
Seat height	925 mm (36.4 inches)	910 mm (35.8 inches)
Fuel capacity	12.00 litres (3.17 US gallons)	11.20 litres (2.96 US gallons)
Front suspension	WP-USD 43 MA	WP-USD 43 mm (1.89 inches)
Rear suspension	WP - Monoshock	WP Monoshock
Compression	11.5:1	11.7:1

Other years 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail92%

Cornering65%

City riding45%

Daily riding40%

Touring35%

Two-up20%

Track20%

Best for: Built primarily as a serious enduro machine for trails, gravel, and technical terrain, with occasional road use as a secondary role.
Built for: A raw, torquey single-cylinder enduro with a lively, physical riding experience and minimal creature comforts.
Not ideal for: Not a good fit for riders wanting a smooth, comfortable highway tourer or a low, easy-to-handle commuter bike.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us

Your height

Inseam (optional)

Units

At 910mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2005 KTM 640 LC4 Enduro, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 625.0 ccm
Power: 52.0 HP (38.2 kW)
Engine type: Single
Power/weight ratio: 0.3514 HP/kg (dry)
Bore x stroke: 101.0 x 78.0 mm
Compression: 11.7:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Electric & kick
Ignition: Kokusan DC-CDI
Valves per cylinder: 4
Lubrication system: Pressure lubrication with 2 Eaton pumps
Torque: Not on record - add it

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multi-disc clutch, operated hydraulically

Dimensions & weight

Wheelbase: 1510 mm
Overall width: 640 mm
Seat height: 910 mm
Dry weight: 148.0 kg
Wet weight: 158.0 kg
Fuel capacity: 11.20 litres
Ground clearance: 300 mm

Chassis & suspension

Frame: Chromium-molybdenum, powder-coated
Front suspension: WP-USD 43 mm (1.89 inches)
Rear suspension: WP Monoshock
Front wheel travel: 300 mm
Rear wheel travel: 335 mm
Rake (fork angle): 28.0°
Trail: 128 mm

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 216 mm
Rear brakes: Single disc
Rear brakes diameter: 260 mm
Front tyre: 90/90-21
Rear tyre: 140/80-18

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2003	2004	2005	2006	2007
Capacity	625 cc	625 cc	625 cc	625 cc	625 cc
Dry weight	149 kg	149 kg	148 kg	148 kg	148 kg
Seat height	925 mm	925 mm	910 mm	910 mm	910 mm
Fuel capacity	12 L	12 L	11.2 L	11.2 L	11.2 L