Operation Manual

13. Brake
13-4
Operational Precautions
General information
Caution
● 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.
y The brake caliper can be removed without removing the hydraulic system.
y After the hydraulic system is removed, or the brake system is felt to be too soft, bleed the hydraulic
system.
y While refilling brake fluid, care should be taken not to let the foreign material entering into the brake
system.
y Do not spill brake fluid on the painted surfaces, plastic or rubber parts to avoid damage.
y Check the operation of the brake system before you go.
Specifications Unit: mm
Item Standard (mm) Limit (mm)
The thickness of front brake disc
3.50 2.00
Front brake disc eccentricity
0.10 0.30
Master cylinder inner diameter
11.000~11.043 11.055
ID of front & rear brake drums
HU10U/W
：
110/110
HU05U：110/95
HU10U/W
：
110.50
HU05U：95.50
OD of front brake disc
160.00
─
Thickness of front disc brake lining
─
As brake lining mark
Thickness of front drum brake lining
─
2mm or As brake lining mark
Thickness of rear brake lining
─
2mm or As brake lining mark
Torque values:
Bolt for front brake arm 0.8~1.2kgf-m
Bolt for rear brake arm 0.8~1.2kgf-m
Brake hose bolt 3.3~3.7kgf-m
Bolt for brake caliper 3.1~3.5kgf-m
Air-bleed valve of front brake 0.8~1.0kgf-m
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