Master Cylinder Inspection - Sym Joyride 125 Service Manual

15. Brake System

Master Cylinder Inspection

Check the master cylinder for damage or
scratch. Replace it if necessary.
Measure the cylinder inner diameter at several
points along both X and Y directions.
Replace the cylinder if the measured values
exceed allowable limit.
Allowable limit: 11.055 mm
Measure the outer diameter of the piston.
Replace the piston if its measured value
exceeds allowable limit.
Allowable limit: 10.945 mm
Master Cylinder Assembly
CAUTION
It is necessary to replace the whole set
comprising piston, spring, piston cup,
and circlip.
Make sure there is no dust on all
components before assembling.
Apply clean brake fluid to the piston cup, and
then install the cup onto the piston.
Install the larger end of the spring onto the
master cylinder.
Note the direction of the piston when installing.
CAUTION
Never install the piston in the opposite
direction. (Refer to the diagram.)
Make sure the circlip is seated
將橡皮墊塊正確裝進槽溝內。
securely in the groove.
15-8
To this chapter contents
Rubber
cap
Circlip
Piston
Master
cylinder
Cylinder
gauge
Piston
Micrometer
Spring
Master cylinder