KTM 640 LC4
Supercomp SPECIFICATIONS, PRICE & IMAGES

Bike Features

Make Model:
KTM 640 LC4 Supercomp

Year:
1999

Engine:

Four stroke, single Cylinder. SOHC, 4
valves, engine balancer

Capacity:
624.6 cc / 38.1 cu in

Bore x Stroke:
101 x 78 mm

Compression Ratio:
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:
275 mm / 10.8 in

Rear Suspension:
Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear-
swing-arm with needle bearing

Rear
Wheel Travel:
300 mm / 11.8 in

Front Brakes:
Single 300 mm disc, 4 piston caliper

Rear Brakes:
Single 220 mm disc, 1 piston caliper

Front Tyre:
90/90 –
21

Rear Tyre:
130/80 – 18

Steering Head Angle:
62o

Wheelbase:
1510 mm / 59.4 in

Ground Clearance:
310mm / 12.2 in

Seat Height:
925 mm / 36.4 in

Dry Weight :
149 kg / 328 lbs

GVWR:
350 / 773 lbs

Engine Oil Capacity :
2.1 L / 2.2 US qt / 1.8 Imp qt

Fuel Capacity :
11 L
/ 2.9 US gal /
2.3 Imp gal