If the thickness of a shift fork ear is less than the service limit, the shift fork must be replaced.
Shift Fork Ear Thickness
Standard: 5.7 
6.0 mm (0.224
0.236 in.)
Service Limit: 5.6 mm (0.220 in.)
If the gear groove is worn over the service limit, the gear must be replaced.
Gear Groove Width
Standard: 6.05 
6.15 mm (0.238
0.242 in.)
Service Limit: 6.25 mm (0.246 in.)
Shift Fork Bending Inspection
Shift Fork Guide Pin/Drum Groove Wear InspectionCoolant Deterioration Inspection
Remove the right lower fairing (see Lower Fairing Removal
in the Frame chapter).
Visually inspect the coolant in the reserve tank [A].
If whitish cotton-like wafts are observed, aluminum parts
in the cooling system are corroded. If the coolant is
brown, iron or steel parts are rusting. I ...
Piston Ring Groove Width Inspection
Measure the piston ring groove width.
Use a vernier caliper at several points around the piston.
Piston Ring Groove Width
Standard:
Top [A] 0.82 0.84 mm (0.0323
0.0331 in.)
Second [B] 0.82 0.84 mm
(0.0323 0.0331 in.)
Service Limit:
0.92 mm (0.036 in.)
Second 0.92 mm (0.036 in.)
...
Front Fork Oil Change
Remove the front fork (see Front Fork Removal (Each
Fork Leg)).
Turn the spring preload adjuster fully counterclockwise for
removing the piston rod assy easily.
Hold the inner tube lower end in a vise.
Using the wrench [A], unscrew the top plug [B] out of the
outer tube.
Special Too ...