KTM 640 LC4 Adventure R (2000 – 2001)

The KTM 640 LC4 Adventure R is a rugged, no-nonsense dual-sport motorcycle that embodies the essence of adventure riding. Its single-cylinder engine pumps out a robust 48 horsepower, providing a unique blend of torque and agility that’s perfect for navigating challenging terrain.

The bike’s 21-inch front wheel and 18-inch rear wheel offer a stable platform for tackling rough roads and off-road excursions, while the large fuel tank ensures extended range and reduced fuel stops.

But what truly sets the KTM 640 LC4 Adventure R apart is its ability to deliver a thrilling riding experience that’s both exhilarating and accessible. With its intuitive handling and responsive power delivery, this bike is an absolute joy to ride on a variety of surfaces, from twisty roads to rugged trails. It’s a true adventure machine, and one that will leave you grinning from ear to ear every time you ride it.

Key Specifications

Engine Type	Four stroke, single Cylinder. SOHC, 4 Valve per cylinder,
Engine Capacity	624.6 cc / 38.1 cu in
Max Power	35.7 kw / 49 hp
Max Torque	52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm
Fuel Tank Capacity	28 L / 7.4 US gal / 6.2 Imp gal
Seat Height	37.2 inches / 945 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	KTM 640 LC4 Adventure R
Year	2000 – 2001

Engine

Engine Type	Four stroke, single Cylinder. SOHC, 4 Valve per cylinder,
Displacement	624.6 cc / 38.1 cu in
Bore x Stroke	101 x 78 mm
Compression Ratio	11.0:1
Max Horsepower	35.7 kw / 49 hp
Max Torque	52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm
Engine Management System	Mikuni BST 40
Cooling System	Liquid cooled

Performance

Top Speed

n/a

*n/a – information not provided by manufacturer

Transmission

Clutch	Wet, multiplate
Gearbox	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	Chain

Electrical & Electronics System

Battery	12V 8Ah, maintenance free
Starter	Kick & electric

Chassis & Suspension

Frame Type	Central chrome-moly-steel frame
Front Suspension	50 mm WP upside-down forks
Rear Suspension	WP monoshock
Trail	62.5o

Wheels & Brakes

Front Tire Size	90/90 – 21 54S Enduro 3
Rear Tire Size	140/80 – 18 70R Enduro 3
Front Brakes	Single 300mm disc, 4piston floating caliper
Rear Brakes	Single 220mm disc, 1 piston floating caliper

Dimension & Weights

Seat Height	37.2 inches / 945 mm
Wheelbase	59.4 inches / 1510 mm
Ground Clearance	320 mm / 12.6 in
Fuel Tank Capacity	28 L / 7.4 US gal / 6.2 Imp gal
Dry Weight	154 kg / 340 lbs

Features

Single cylinder engine
21″ front wheels
18″ rear wheels
Large fuel tank
Introduced in 1996 as 620 Adventure
Engine displacement increased to 609 cc in 1996
Engine displacement increased to 625 cc in 1998
Renamed 640 Adventure-R in 1998
Dual-sport motorcycle
Low front fender (2004 model)
Twin front brake discs (2004 model)
Primary color changed from silver to orange (2004 model)

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*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com