KTM 640 LC4 Enduro
KTM Enduro 640 | |
Manufacturer | |
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Also called | LC4640 Enduro, LC4 640 Enduro, LC4-E 640 Enduro, 640 LC4 Enduro |
Production | 1999 - 00 |
Engine | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
Compression ratio | 11.5:1 |
Top Speed | 168 km/h / 104 mph |
Ignition | Kokusan contactless DC-CDI ignition with advanced system |
Spark Plug | NGK DRBEACPR 8 E |
Battery | 12V 8Ah, maintenance free |
Transmission | 5 Speed |
Frame | Central chrome-moly steel frame |
Suspension | Front: White Power Up Side Down 4357 MXMA fork Rear: Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing |
Brakes | Front: Single 300 mm disc, 4 piston caliper Rear: Single 220 mm disc, 1 piston caliper |
Front Tire | 90/90 - 21 |
Rear Tire | 140/80 - 18 |
Wheelbase | 1510 mm / 59.4 in |
Seat Height | 930 mm / 36.6 in |
Weight | 158 kg / 348 lbs (wet) |
Fuel Capacity | 12 L / 3.2 US gal / 2.6 Imp gal |
Manuals | Service Manual |
It could reach a top speed of 168 km/h / 104 mph.
Engine[edit | edit source]
The engine was a Liquid cooled cooled Four stroke, single Cylinder. SOHC, 4 valves, engine balancer. The engine featured a 11.5:1 compression ratio.
Drive[edit | edit source]
Power was moderated via the Multi-disc in oil bath.
Chassis[edit | edit source]
It came with a 90/90 - 21 front tire and a 140/80 - 18 rear tire. Stopping was achieved via Single 300 mm disc, 4 piston caliper in the front and a Single 220 mm disc, 1 piston caliper in the rear. The front suspension was a White Power Up Side Down 4357 MXMA fork while the rear was equipped with a Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing. The 640 LC4 Enduro was fitted with a 12 L / 3.2 US gal / 2.6 Imp gal fuel tank. The wheelbase was 1510 mm / 59.4 in long.
Photos[edit | edit source]
Overview[edit | edit source]
KTM 640 LC4 Enduro
Make Model | KTM 640 LC4 Enduro |
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Year | 1999 - 00 |
Engine Type | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
Displacement | 624.6 cc / 38.1 cu in |
Bore X Stroke | 101 x 78 mm |
Compression | 11.5:1 |
Cooling System | Liquid cooled |
Lubrication | 2 x Eaten oil pumps |
Induction | Mikuni BST 40 carburetor |
Ignition | Kokusan contactless DC-CDI ignition with advanced system |
Starting | Electric & kick |
Spark Plug | NGK DRBEACPR 8 E |
Battery | 12V 8Ah, maintenance free |
Max Power | 40.1 kW / 55 hp @ 7000 rpm |
Max Torque | 55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm |
Clutch | Multi-disc in oil bath |
Transmission | 5 Speed |
Primary Drive Ratio | 30:81, straight cut gears |
Gear Ratios | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 |
Final Drive Ratio | 17:38 |
Final Drive | Chain, O-ring 5/8 x 1/4" |
Frame | Central chrome-moly steel frame |
Front Suspension | White Power Up Side Down 4357 MXMA fork |
Front Wheel Travel | 280 mm / 11.0 in |
Rear Suspension | Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing |
Rear Wheel Travel | 320 mm / 12.6 in |
Front Brakes | Single 300 mm disc, 4 piston caliper |
Rear Brakes | Single 220 mm disc, 1 piston caliper |
Front Tire | 90/90 - 21 |
Rear Tire | 140/80 - 18 |
Steering Head Angle | 62o |
Wheelbase | 1510 mm / 59.4 in |
Ground Clearance | 310mm / 12.2 in |
Seat Height | 930 mm / 36.6 in |
Wet Weight | 158 kg / 348 lbs |
Gvwr | 350 / 773 lbs |
Engine Oil Capacity | 2.1 L / 2.2 US qt / 1.8 Imp qt |
Fuel Capacity | 12 L / 3.2 US gal / 2.6 Imp gal |
Consumption Average | 4.7 sec |
Top Speed | 168 km/h / 104 mph |