13. BRAKE SYSTEM ATV 300/250
INSPECTION
Inspect the caliper cylinder wall and piston
surface for scratch, corrosion or other
damages.
If any abnormal condition is noted, replace
the caliper.
BRAKE DISK
Measure the brake disk thickness.
Service Limit: 3 mm (0.12 in)
Measure the brake disk run out.
Service Limit: 0.3 mm (0.012 in)
ASSEMBLY
Reassemble the caliper in the reverse order
of disassembly procedures and observe the
following points.
Wash the caliper components with fresh
brake fluid before assembly. Do not
wipe off brake fluid after washing the
components.
Replace the piston seal and dust seal
with new ones with brake fluid applied.
Brake fluid specification and
classification: DOT4
13-17