Suzuki RM85L - Master Cylinder Inspection; Master Cylinder Cleaning; Front Master Cylinder Reassembly

15-12 FRONT AND REAR BRAKES
MASTER CYLINDER INSPECTION
• Inspect the cylinder bore and piston for scuffing.
• Inspect the piston rod and spring for damage. If any abnormal
condition is noted, replace the master cylinder.
• Inspect the dust boot, if any damages are found, replace it
with a new one.
MASTER CYLINDER CLEANING
• Flush the master cylinder ports with pressurized air.
• Wash the master cylinder bore and piston with fresh brake
fluid.
NOTE:
Do not use gasoline or other cleaning solvents to wash the mas-
ter cylinder parts.
 Brake fluid: DOT 4
FRONT MASTER CYLINDER REASSEMBLY
• Apply brake fluid to the piston/cup set.
• Install the spring, piston/cup set and washer.
• Install the snap ring with snap ring pliers.
• Install the dust boot.
• Reassemble the brake lever.
• Tighten the master cylinder mounting bolts to the specified
torque.
• When remounting the master cylinder on the handlebars, set
the brake lever at an angle of 30 degrees to horizon and
tighten the upper clamp bolt first as shown to the specified
torque.
 Master cylinder clamp bolt: 10 N·m (1.0 kgf-m, 7.3 lb-ft)
Master cylinder
Handlebars
Upper
clamp
bolt
"UP" mark
Clearance
Master cylinder
Brake lever
Approx 30˚