Brake Pad Inspection; Air Bleeding (Hydraulic Brake System) - Yamaha VK10W Supplementary Service Manual

DRIVE V-BELT/BRAKE PAD INSPECTION/

AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)

1
a a
1
2
6. Measure:
• Drive V-belt circumference a
Out of specification → Replace.
V-belt circumference:

BRAKE PAD INSPECTION

1. Apply the brake lever.
2. Inspect:
• Brake pad wear a
Wear indicator 1 nearly contacts the brake
disc → Replace as a set.
Wear limit:
AIR BLEEDING (HYDRAULIC BRAKE
SYSTEM)
WARNING
Bleed the brake system in the following cases:
• The system has been disassembled.
• A brake hose is loosened or removed.
• The brake fluid has been very low.
• Brake operation is faulty.
If the brake system is not properly bled a loss of
braking performance may occur.
1. Bleed:
• Brake system
Air bleeding steps:
a. Fill the brake master cylinder reservoir with the
proper brake fluid.
b. Install the diaphragm. Be careful not to spill any
fluid or allow the brake master cylinder reservoir
to overflow.
c. Connect clear plastic hoses 1 tightly to the
brake caliper bleed screws 2.
1
d. Place the other ends of the hoses in a con-
tainer.
e. Slowly apply the brake lever several times.
2
f. Pull the lever in, then hold the lever in position.
g. Loosen the bleed screws and allow the brake
lever to travel towards its limit.
h. Tighten the bleed screws when the brake lever
limit has been reached, then release the lever.
6
INSP
ADJ
1,132 ~ 1,138 mm (44.6 ~ 44.8 in)
4.7 mm (0.19 in)