T Echnical Specifications - Engine - KTM Supermoto 640LC4 Owner's Manual

Collar nut front axle
Collar nut rear axle
Shock absorber top
Shock absorber bottom
Collar screws brake disk front/rear
Screw brake caliper front
Bearing bolt linkage arm/frame
Collar nuts rocker arm bolts
Engine mounting screw
Ball joint for push rod
Sprocket screws on nuts
Collar nut swingarm bolt
Clamping screws top triple clamp (USD 43)
Clamping screws bottom triple clamp (USD 43)
Clamping screws fork stubs
Screws handlebar clamp
Allan head screw handle bar support
Spoke nipple
Other screws on chassis
Other collar nuts on chassis
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TECHNICAL DATA – ENGINE 640 LC4, 640 LC4 SUPERMOTO 2002
TIGHTENING TORQUES - CHASSIS LC4
M16x1,5
M20x1,5
M6 (10.9)
M14x1,5
M14x1,5
BASIC CARBURETOR SETTING
640 LC4 Supermoto
Type
Carb.-setting number
Main jet
Needle jet
Idling jet
Jet needle
Needle clip pos. f. top
Mixt. adj. screw open
M10
M10
Loctite 243 + 10 Nm
M8 Loctite 243 + 25 Nm
M12
M10
M8 Loctite 243 + 25 Nm
M8 Loctite 243 + 35 Nm
M8
M8
M8
M8 Loctite 243 + 20 Nm
M10 Loctite 243 + 20 Nm
M4
M6
M8
M10
M6
M8
M10
640 LC4
BST40-225
090298
142,5
689 X-6
45
6G5
3. from top
2,25
40 Nm (30ft.lb)
80 Nm (59ft.lb)
45 Nm (33ft.lb)
45 Nm (33ft.lb)
(7ft.lb)
(19ft.lb)
60 Nm (44ft.lb)
100 Nm (74ft.lb)
45 Nm (33ft.lb)
(19ft.lb)
(25ft.lb)
100 Nm (74ft.lb)
20 Nm (15ft.lb)
15 Nm (11ft.lb)
10 Nm (7ft.lb)
(15ft.lb)
(15ft.lb)
4 Nm (3ft.lb)
10 Nm (7ft.lb)
25 Nm (19ft.lb)
45 Nm (33ft.lb)
15 Nm (11ft.lb)
30 Nm (22ft.lb)
50 Nm (37ft.lb)