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 AssemblyDrive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...
Crankshaft Sensor Installation
Apply a non-permanent locking agent to the crankshaft
sensor bolts [A].
Tighten:
Torque - Crankshaft Sensor Bolts: 5.9 N·m (0.60 kgf·m, 52
in·lb)
Using a high flash-point solvent, clean off any oil or dirt
that may be on the silicone sealant coating area. Dry
them with a clean cl ...
Current Mileage
This display mode shows the current
mileage by numerical value. The current
mileage display is renewed every
4 seconds.
A. Current Mileage
B. “km/L”
NOTE
The display unit modes can be
changed, refer to the “Unit Setting”
item in this section.
The numerical value shows “ ...