Comparison of KTM 640 LC4 Enduro 2007 and KTM 690 Rally Replica 2010

Attribute	KTM 690 Rally Replica 2010 ×	KTM 640 LC4 Enduro 2007 ×
General
Production from (year)	2010	2007
Make	KTM	KTM
Model	KTM 690 Rally Replica	KTM 640 LC4 Enduro
Category	Enduro / offroad	Enduro / offroad
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Valves per cylinder	4	4
Fuel system	-	Carburettor. Mikuni BST 40
Displacement (cm³)	654	625
Power (kw)	45.3	-
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Torque (Nm)	64	-
Bore (mm)	102	101
Stroke (mm)	80	78
Gearbox	6-speed	5-speed
Fuel control	Overhead Cams (OHC)	Overhead Cams (OHC)
Ignition	-	Kokusan digital 4K-3B
Clutch	APTC slipper clutch, hydraulically operated	Wet multi-disc clutch, operated hydraulically
Lubrication system	Pressure lubrication with 2 Eaton pumps	Pressure lubrication with 2 Eaton pumps
Compression	11.8:1	-
Exhaust system	-	Aluminium
Chassis
Front suspension	WP USD	WP USD, 43 mm
Rear suspension	WP mono shock with Pro Lever Linkage	WP monoshock with Pro Lever
Front brakes	Single disc	Single disc
Rear brakes	Single disc	Single disc
Frame type	Chromium-Molybdenum trellis frame, powder coated	Central double-cradle-type 25CrMo4
Front tyre	90/90-21	90/90-21
Rear tyre	140/80-18	130/90-18
Front wheel travel (mm)	275	115
Rear wheel travel (mm)	275	185
Rake (fork angle) (degree)	-	28
Other
Starter	Electric	Kick
Color options	orange	-
Dimensions
Wheelbase (mm)	1,498	1,510
Dry weight (kg)	138	148
Power/weight ratio	0.3271	-
Seat height (mm)	930	910
Ground clearance (mm)	300	330
Performance
Fuel capacity (l)	12	11.2