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