12. Brake System
12-3
Maintenance Information
Precautions in Operation
Caution
Inhaling brake lining ashes may cause disorders of respiration system, 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
Item Standard (mm)
The thickness of front brake disc 4.0
Front brake disc run-out < 0.10
brake master cylinder inner diameter 12.700 ~ 12.743
brake master cylinder piston outer diameter 12.657 ~ 12.684
OD of front brake disc 190.0
ID of rear brake drum 110.0
Thickness of front brake lining 4.0
Torque values
Brake hose bolt 3.3~3.7kgf-m
Bolt for brake caliper 2.4~3.0kgf-m
Bolts for the brake disc 2.4~3.0kgf-m
Nuts for the front wheel axle 5.0~7.0kgf-m
Nuts for the rear wheel 11.0~13.0kgf-m
Bolt for rear brake arm 0.8~1.2kgf-m
Rear brake lever nuts 0.8~1.2kgf-m
Brake master cylinder mounting bolts 1.0~1.4kgf-m
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