Refer to “front brake master cylinder / brake lever disassembly and assembly” .
Master cylinder
Inspect the master cylinder bore for any scratches or other damage

Piston / rubber parts
Inspect the piston surface for any scratches or other damage.
Inspect the primary cup, secondary cup and dust boot for wear or damage.

Front brake master cylinder / brake lever disassembly and assembly
Rear brake master cylinder componentsFront fork parts inspection
Refer to “front fork disassembly and assembly” .
Inner and outer tubes
Inspect the inner tube and outer tube for scratches
Slide bushing / guide bushing
Inspect the slide bushing and guide bushing for wear or
damage. If they are worn or damaged, replace them with
new ones. If they are not ...
Piston ring removal and installation
Removal
Remove the piston. Refer to “engine bottom side disassembly” .
Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring to
remove it.
Note
do not expand the piston ring excessively
since it is apt to be broken down. ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Clutch control system components” “clutch components”
Special tool
...