KTM 640 LC4 Adventureback 2006 forward

Water cooled, 625cc, Single, SOHC

Power: 54.38 HP (40 kW) @ 7000 rpm
Torque: 55 Nm (40.57 lb-ft) @ 5500 rpm
Final drive: Chain
Top speed: 96.31 mph
Curb weight: 407.9 lbs
Category: Offroad
Tags: Enduro
Engine and transmission
Engine type: 1 cylinders, 4-stroke, Single
Displacement: 625 cc (38.19 cubic inches)
Bore × stroke: 3.98 inch × 3.07 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 54.38 HP (40 kW) @ 7000 rpm
Torque: 55 Nm (40.57 lb-ft) @ 5500 rpm
Valves
Valve train: SOHC, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Digital CDI
Funnel diameter: 1.57 inch
Compression: 11.5:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual, manual, 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: NGK, DR8EA
Motor oil: Synthetic, 15W/40
Starter: Electric / Kick-starter
Dimensions
Wheel base: 59.4 inch
Trail: 4.9 inch
Ground clearance: 12.4 inch
Seat height: 37.2 inch
Weight
Curb weight: 407.9 lbs
Dry weight: 348.3 lbs
Chassis and suspension
Frame type: alloy, Single cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 10.63 inch
Fork angle: 28°
Brake: Twin Disk, Ø11.81 inch
Tire: 90 / 90 R21 R
Tire pressure: 0.1 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 12.6 inch
Brake: Disk, Ø8.66 inch
Tire: 140 / 80 R18 R
Tire pressure: 0.1 PSI
Other
ABS available: No
Power-to-weight ratio: 0.22 KW/lbs (4.62 lbs/HP)
Top speed: 96.31 mph
Fuel capacity: 6.74 gals
Number of riders: 2 persons

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