Inspection; Brake Master Cylinder Assembly - Yamaha RS90GTZ Service Manual

BRAKE

INSPECTION

1. Inspect:
• Brake master cylinder
Wear/scratches → Replace the master cyl-
inder assembly.
• Brake master cylinder body
Cracks/damage → Replace the master cyl-
inder assembly.
• Brake fluid delivery passage (master cylin-
der body)
Blow out with compressed air.
2. Inspect:
• Brake master cylinder reservoir diaphragm
Damage/wear → Replace the master cylin-
der reservoir cap set.
3. Inspect:
• Brake hose
Cracks/damage/wear → Replace.

BRAKE MASTER CYLINDER ASSEMBLY

WARNING
• All internal parts should be cleaned only
with new brake fluid.
• Internal parts should be lubricated with
brake fluid when installed.
Recommended brake fluid:
DOT 4
4-54
POWR
TR