KTM 640 LC4 Adventure R (1999-00)

The KTM 640 LC4 Adventure R motorcycle was manufactured between 1999-2000 with a four-stroke, single-cylinder engine and a capacity of 624.6 cc/38.1 cu in. It has a 101 x 78 mm bore x stroke and a compression ratio of 11.0:1. The motorcycle is liquid-cooled, with Mikuni BST 40 induction and contactless DC-CDI ignition with digital advanced system, KOKUSAN. The NGK DPR8 EA-9 spark plug has a 12V 8Ah maintenance-free battery, and the motorcycle can be kicked or electrically started. It offers a maximum power of 35.7 kW/49 hp @7500 rpm and a maximum torque of 52 Nm/5.3 kgf-m/38.4 lb-ft @ 5500 rpm. The KTM 640 LC4 Adventure R (1999-2000) features a wet, multi-plate clutch and a five-speed, claw-shifted transmission. The primary drive ratio is 30:81, while the gear ratios are 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18. The final drive ratio is 16:40, and the motorcycle features a chain final drive. The motorcycle’s central chrome-moly-steel frame has 50 mm WP upside-down forks for front suspension and WP monoshock for rear suspension. The front and rear brakes consist of a single 300 mm disc/four-piston floating caliper and a single 220 mm disc/one-piston floating caliper, respectively. The motorcycle has a ground clearance of 320 mm / 12.6 in, a seat height of 945 mm / 37.2 in, and a dry weight of 154 kg / 340 lbs. The KTM 640 LC4 Adventure R has a fuel capacity of 28 L / 7.4 US gal / 6.2 Imp gal and a fuel reserve of 3.8 L / 1.0 US gal / 0.8 Imp gal. The manual for the motorcycle can be found on blackbears.ru.

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Technical specifications:

Make Model: KTM 640 LC4 Adventure

Year: 1999 – 00

Engine: Four stroke, single Cylinder. SOHC, 4 Valve per cylinder,

Capacity: 624.6 cc / 38.1 cu in

Bore x Stroke: 101 x 78 mm

Compression Ratio: 11.0:1

Cooling System: Liquid cooled

Induction: Mikuni BST 40

Ignition: Contactless DC-CDI ignition with digital advanced system, KOKUSAN

Spark Plug: NGK DPR8 EA-9

Battery: 12V 8Ah, maintenance free

Starting: Kick & electric

Max Power: 35.7 kW / 49 hp @ 7500 rpm

Max Torque: 52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm

Clutch: Wet, multiplate

Transmission: 5 Speed, claw shifted

Primary Drive Ratio: 30:81

Gear Ratios: 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18

Final Drive Ratio: 16:40

Final Drive: Chain

Frame: Central chrome-moly-steel frame

Front Suspension: 50 mm WP upside-down forks

Front Wheel Travel: 300 mm / 11.8 in

Rear Suspension: WP monoshock

Rear Wheel Travel: 320 mm / 12.6 in

Front Brakes: Single 300mm disc, 4piston floating caliper

Rear Brakes: Single 220mm disc, 1 piston floating caliper

Front Tyre: 90/90 – 21 54S Enduro 3

Rear Tyre: 140/80 – 18 70R Enduro 3

Steering Head Angle: 62.5o

Wheelbase: 1510 mm / 59.4 in

Ground Clearance: 320 mm / 12.6 in

Seat Height: 945 mm / 37.2 in

Dry Weight: 154 kg / 340 lbs

GVWR: 380 kg / 839 lbs

Fuel Capacity: 28 L / 7.4 US gal / 6.2 Imp gal

Fuel Reserve: 3.8 L / 1.0 US gal / 0.8 Imp gal

Manual: blackbears.ru