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13. HYDRAULIC BRAKE ZING125
SERVICE INFORMATION .................... 13-1 BRAKE PAD/DISK..................................13-4
TROUBLESHOOTING ........................... 13-2 BRAKE MASTER CYLINDER...............13-5
BRAKE FLUID CHANGE/AIR BLEED.... 13-3 BRAKE CALIPER ...................................13-7
SERVICE INFORMATION
GENERAL INSTRUCTIONS
· Drain the brake fluid from the hydraulic brake system before disassembly.
· Do not allow any foreign matters entering the brake reservoir when filling the brake reservoir
with brake fluid.
· Be careful not to splash brake fluid on any coated surfaces and instrument covers to avoid
damage.
· Inspect the brake operation before riding.
· Brake fluid will damage painted, coated surfaces and plastic parts. When working with brake
fluid, use shop towels to cover and protect painted, rubber and plastic parts. Wipe off any splash
of brake fluid with a clean towel. Do not wipe the motorcycle with a towel contaminated by
brake fluid.
· Make sure to use recommended brake fluid. Use of other unspecified brake fluids may cause
brake failure.
SPECIFICATIONS
Item Standard (mm) Service Limit (mm)
Brake disk thickness 4.0 3.0
Brake disk runout 0.15
Brake master cylinder I.D. 12.712.743 12.75
Brake master cylinder piston O.D. 12.65712.684 12.64
Brake caliper piston O.D. 25.33525.368 25.30
Brake caliper cylinder I.D. 25.425.45 25.50
TORQUE VALUES
Caliper holder bolt 2.403.0kg-m
Pad pin bolt 1.52.0kg-m
Brake fluid tube bolt 2.53.5kg-m
Caliper bleed valve 0.40.7kg-m
Master cylinder holder bolt 1.01.4kg-m
SPECIAL TOOL
Snap ring pliers
13-1