Special Tool - Outside Circlip Pliers: 57001-144
The 5th gear [A] on the output shaft has three steel balls assembled into it for the positive neutral finder mechanism.
Remove the 5th gear as follows.

Set the output shaft in a vertical position holding the 3rd gear [B].
Spin the 5th gear quickly [C] and pull it off upward.
Transmission Assy Installation
Transmission Shaft AssemblyExploded View
13. Front Wheel Rotation Sensor
B: Apply brake fluid.
L: Apply a non-permanent locking agent.
R: Replacement Parts
S: Follow the specified tightening sequence.
Si: Apply silicone grease (ex. PBC grease).
10. Rear Wheel Rotation Sensor
B: Apply brake fluid.
G: Apply gr ...
Solenoid Valve Inspection (Service Code b 13, b 14, b 17, b 18)
The solenoid valve is built in the KIBS Hydraulic Unit [A].
Therefore the solenoid valve cannot be checked directly.
Perform the Pre-Diagnosis Inspection 1 and 2 (see Inquiries
to Rider in the Brakes chapter).
If any of these service codes appears even if all checks
are ended, replace t ...
Front Fork Disassembly
Remove the front fork (see Front Fork Removal (Each
Fork Leg))
Drain the fork oil (see Front Fork Oil Change).
Take the dust seal [A] off the outer tube.
Remove the retaining ring [B].
Separate the outer tube from the inner tube.
Remove the following parts from the inner tube. ...