KTM 640 LC4 Supercomp

 

 

 

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