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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > KTM > KTM 640 Duke II

KTM 640 Duke II Specs

The KTM 640 Duke II model is a Naked bike bike manufactured by KTM . In this version sold from year 2007 , the dry weight is 152.0 kg (335.1 pounds) and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 53.64 HP (39.2 kW) @ 6750 RPM and a maximum torque of 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5500 RPM . With this drive-train, the KTM 640 Duke II is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the KTM 640 Duke II have a Chromium-molybdenum, powder-coated frame with front suspension being WP USD and in the rear suspension it is equiped with WP monoshock . Stock tire sizes are 120/70-17 on the front, and 160/70-17 on the rear. As for stopping power, the KTM 640 Duke II braking system includes Single disc size 320 mm (12.6 inches) at the front and Single disc size 220 mm (8.7 inches) at the rear. 

KTM 640 Duke II General Information

Brand KTM 
Model KTM 640 Duke II 
Year 2007 
Year 2007 
Category Naked bike 
Factory Warranty (Years / miles)  

KTM 640 Duke II Dimensions, Aerodynamics and weight

Frame type Chromium-molybdenum, powder-coated 
Seat details  
Wheelbase 1,460 mm (57.5 inches) 
Length  
Width  
Height  
Seat Height 900 mm (35.4 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 280 mm (11.0 inches) 
Trail size 109 mm (4.3 inches) 
Wheels details  
Front Tyres - Rims dimensions 120/70-17 
Rear Tyres - Rims dimensions 160/70-17 
Front brakes Single disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions 320 mm (12.6 inches) 
Rear Brakes Dimensions - Disc Dimensions 220 mm (8.7 inches) 
Curb Weight (including fluids)  
Dry Weight 152.0 kg (335.1 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.3529 HP/kg 
Fuel Tank Capacity 11.20 litres (2.96 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension WP USD 
Front Suspension Travel 115 mm (4.5 inches) 
Rear Suspension WP monoshock 
Rear Suspension Travel 185 mm (7.3 inches) 

KTM 640 Duke II Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Carburettor. Mikuni BST 40 
Engine size - Displacement - Engine capacity 625.00 ccm (38.14 cubic inches) 
Bore x Stroke 101.0 x 78.0 mm (4.0 x 3.1 inches) 
Compression Ratio 11.7:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration OHC 
Maximum power - Output - Horsepower 53.64 HP (39.2 kW) @ 6750 RPM 
Maximum torque 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5500 RPM 
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system Pressure lubrication with 2 oil pumps 
Engine oil capacity  
Exhaust system 2 x aluminium 
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type Wet multi-disc clutch, operated hydraulically 
Driveline  

KTM 640 Duke II Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

KTM 640 Duke II Electrical Systems, Ignition and Equipment

Ignition Type Kokusan DC-CDI 
Electrical Details  
Starter Type Electric & kick 
Instruments  
Lights