Comparison of KTM 640 Adventure 2007 and KTM 640 Duke II 2007

Attribute	KTM 640 Adventure 2007 ×	KTM 640 Duke II 2007 ×
General
Production from (year)	2007	2007
Make	KTM	KTM
Model	KTM 640 Adventure	KTM 640 Duke II
Category	Enduro / offroad	Naked bike
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Valves per cylinder	4	4
Fuel system	Carburettor. Mikuni BST 40	Carburettor. Mikuni BST 40
Displacement (cm³)	625	625
Power (kw)	39.2	39.2
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Torque (Nm)	55	60
Bore (mm)	101	101
Stroke (mm)	78	78
Gearbox	5-speed	5-speed
Fuel control	Overhead Cams (OHC)	Overhead Cams (OHC)
Ignition	Kokusan digital DC-CDI	Kokusan DC-CDI
Clutch	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically
Lubrication system	Pressure lubrication with 2 Eaton pumps	Pressure lubrication with 2 oil pumps
Compression	11.7:1	11.7:1
Exhaust system	Premium steel HGS 4	2 x aluminium
Chassis
Front suspension	WP USD, 48 mm	WP USD
Rear suspension	WP monoshock	WP monoshock
Front brakes	Double disc	Single disc
Rear brakes	Single disc	Single disc
Diameter (mm)	220	220
Frame type	Chromium-molybdenum, powder-coated	Chromium-molybdenum, powder-coated
Front tyre	90/90-21	120/70-17
Rear tyre	140/80-18	160/70-17
Front wheel travel (mm)	115	115
Rear wheel travel (mm)	185	185
Trail (mm)	124	109
Rake (fork angle) (degree)	27.5	26.5
Other
Starter	Electric & kick	Electric & kick
Dimensions
Wheelbase (mm)	1,510	1,460
Dry weight (kg)	158	152
Power/weight ratio	0.2481	0.2579
Seat height (mm)	945	900
Ground clearance (mm)	315	280
Performance
Fuel capacity (l)	25.5	11.2