Sym HD 125/200 servicemanual - Scootergrisen

Maintenance Description
Operational precautions
Caution
14. BRAKE
Inhaling asbestos may cause disorders of respiration system or cancer, therefore, never use air hose or
dry brush to clean brake parts. Use vacuum cleaner or other authorized tool instead.
The brake caliper can be removed without removing the hydraulic system.
After the hydraulic system is removed, or the brake system is felt to be too soft, bleed the hydraulic
system.
While refilling brake fluid, care should be taken not to let the foreign material entering into the brake
system.
Do not spill brake fluid on the painted surfaces, plastic or rubber parts to avoid damage.
Check the operation of the brake system before riding.
Specifications
Item Standard (mm) Limit (mm)
The thickness of front and rear brake disk 4.000 2.500
Front and rear brake disk eccentricity < 0.100 0.300
Master cylinder inner diameter 11.000 - 11.043 11.055
Master cylinder outer diameter 10.957 - 10.984 10.945
Diameter of front disk 220.000 -
Diameter of rear brake drum 130.000 -
Thickness of front brake lining 5.100 2.000
Thickness of rear brake lining 5.100 2.000
Torque values
To this chapter contents
Front brake hose bolts 3.0~4.0kgf-m
Bolt for front brake caliper 3.0~3.5kgf-m
Bolts for the front brake disk 4.0~4.5kgf-m
Brake lever nut 0.8~1.2kgf-m
Nut for the rear brake arm 0.5~0.6kgf-m
Air-bleed valve 0.5~0.6kgf-m
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