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KTM Specifications

KTM 640 LC4 Enduro (2001-02)

Entry updated

KTM 640 LC4 Enduro (1999-00)

At a glance

Capacity
624.6 cc / 38.1 cu in
Power
40.1 kW / 55 hp @ 7000 rpm
Torque
55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm
Seat height
930 mm / 36.6 in

The full picture.

The KTM 640 LC4 Enduro motorcycle was produced between 2001-02 and features a four-stroke, single-cylinder engine with a capacity of 624.6cc. It has a liquid cooling system, a Mikuni BST 40 carburetor and a Kokusan contactless DC-CDI ignition with an advanced system. It has both electric and kick starting options. The engine produces a maximum power of 40.1 kW / 55 hp at 7000 rpm and a maximum torque of 55 Nm / 5.6 kgf-m / 40.6 lb-ft at 5500 rpm. The clutch is multi-disc in oil bath and it has a five-speed transmission with a chain, O-ring 5/8 x 1/4″ final drive. The bike has a central chrome-moly steel frame, White Power Up Side Down 4357 MXMA fork front suspension and a central shock absorber (WP BAVP3612) with PRO-LEVER linkage to the rear-swing arm with needle bearing rear suspension. Front brakes are single 300 mm disc with a 4-piston caliper and the rear brakes are a single 220 mm disc with a 1-piston caliper. The motorcycle has a wet weight of 158 kg / 348 lbs and a fuel capacity of 12 L / 3.2 US gal / 2.6 Imp gal. Its top speed is 168 km/h / 104 mph.


Technical specifications:

Make Model: KTM 640 LC4 Enduro

Motorcycle technical specifications
Year2001 – 02
EngineFour stroke, single Cylinder. SOHC, 4 valves, engine balancer
Capacity624.6 cc / 38.1 cu in
Bore x Stroke101 x 78 mm
Compression Ratio11.5:1
Cooling SystemLiquid cooled
Lubrication2 x Eaten oil pumps
InductionMikuni BST 40 carburetor
IgnitionKokusan contactless DC-CDI ignition with advanced system
StartingElectric & kick
Spark PlugNGK DRBEACPR 8 E
Battery12V 8Ah, maintenance free
Max Power40.1 kW / 55 hp @ 7000 rpm
Max Torque55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm
ClutchMulti-disc in oil bath
Transmission5 Speed
Primary Drive Ratio30:81, straight cut gears
Gear Ratios1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18
Final Drive Ratio17:38
Final DriveChain, O-ring 5/8 x 1/4″
FrameCentral chrome-moly steel frame
Front SuspensionWhite Power Up Side Down 4357 MXMA fork
Front Wheel Travel280 mm / 11.0 in
Rear SuspensionCentral shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing
Rear Wheel Travel320 mm / 12.6 in
Front BrakesSingle 300 mm disc, 4 piston caliper
Rear BrakesSingle 220 mm disc, 1 piston caliper
Front Tyre90/90 – 21
Rear Tyre140/80 – 18
Steering Head Angle62o
Wheelbase1510 mm / 59.4 in
Ground Clearance310mm / 12.2 in
Seat Height930 mm / 36.6 in
Wet Weight158 kg / 348 lbs
GVWR350 / 773 lbs
Engine Oil Capacity2.1 L / 2.2 US qt / 1.8 Imp qt
Fuel Capacity12 L / 3.2 US gal / 2.6 Imp gal
Consumption Average4.7 sec
Top Speed168 km/h / 104 mph