KTM 640 LC4Enduro (1999 – 2000)

KTM 640 LC4Enduro (1999 - 2000)

The KTM 640 LC4 Enduro is a trailblazer in the world of dual-sport motorcycles. Its four-stroke, single-cylinder engine is a masterclass in compact power, delivering 63 horsepower and 40 lb-ft of torque. The SOHC design and 4-valve layout ensure a potent punch, while the engine balancer eliminates vibrations, making this bike a joy to ride.

The LC4’s engine character is a perfect blend of smoothness and urgency, making it an ideal companion for both on-road commuting and off-road adventures. Its agility and handling make it a thrill to navigate technical trails, while its comfort and ergonomics ensure you can ride all day without fatigue.

Whether you’re a seasoned adventurer or a newcomer to the world of dual-sport motorcycles, the KTM 640 LC4 Enduro is an exceptional choice, offering an unparalleled riding experience that will leave you grinning from ear to ear.

Key Specifications

Engine TypeFour stroke, single Cylinder. SOHC, 4 valves, engine balancer
Engine Capacity624.6 cc / 38.1 cu in
Max Power40.1 kw / 55 hp
Max Torque55Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm
Fuel Tank Capacity12L/ 3.2 US gal / 2.6 Imp gal
Seat Height36.6 inches / 930 mm
KTM 640 LC4Enduro (1999 - 2000)

All Specifications

Make & Model

ModelKTM 640 LC4Enduro
Year1999 – 2000

Engine

Engine TypeFour stroke, single Cylinder. SOHC, 4 valves, engine balancer
Displacement624.6 cc / 38.1 cu in
Bore x Stroke101 x 78 mm
Compression Ratio11.5:1
Max Horsepower40.1 kw / 55 hp
Max Torque55Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm
Engine Management SystemMikuni BST 40 carburetor
Lubrication System2 x Eaten oil pumps
Cooling SystemLiquid cooled

Performance

Top Speed168 km/h / 104 mph

Transmission

ClutchMulti-disc in oil bath
Gearbox5 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 DriveChain, O-ring 5/8 x 1/4″

Electrical & Electronics System

Battery12V 8Ah, maintenance free
StarterElectric & kick

Chassis & Suspension

Frame TypeCentral chrome-moly steel frame
Front SuspensionWhite Power Up Side Down 4357 MXMA fork
Rear SuspensionCentral shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing
Trail62o

Wheels & Brakes

Front Tire Size90/90 -21
Rear Tire Size140/80 -18
Front BrakesSingle 300 mm disc, 4 piston caliper
Rear BrakesSingle 220 mm disc, 1 piston caliper

Dimension & Weights

Seat Height36.6 inches / 930 mm
Wheelbase59.4 inches / 1510 mm
Ground Clearance310mm / 12.2 in
Fuel Tank Capacity12L/ 3.2 US gal / 2.6 Imp gal

Features

  • Four-stroke engine
  • Single cylinder
  • SOHC (Single Overhead Camshaft)
  • 4 valves
  • Engine balancer
  • Single cylinder
KTM 640 LC4Enduro (1999 - 2000)

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