Replace any damaged gears or gears with excessively worn dogs or dog holes.

Shift Fork Guide Pin/Drum Groove Wear InspectionCheck 2-2: Fuel Level Warning Inspection
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Connect the resistor(s) [A] (about 50 to 100 Ω) between
the fuel pump connector terminal [B] of the main harness
side and the battery negative (–) terminal [C] as shown.
Turn the ignition switch ...
KIBS Hydraulic Unit Inspection
Remove the KIBS hydraulic unit (see KIBS Hydraulic Unit
Removal).
Visually inspect the connector terminals [A].
Replace the KIBS hydraulic unit or main harness if either
of the terminals are cracked, bent, or otherwise damaged.
If the KIBS hydraulic unit connector is clogged with mud
or ...
Swingarm Removal
Remove:
Rear Wheel (see Rear Wheel Removal in the
Wheels/Tires chapter)
Mud Guard with Rear Brake Hose (see Mud Guard Removal
in the Frame chapter)
Rocker Arm (see Rocker Arm Removal)
Remove:
Brake Hose Clamp Bolt [A]
Unscrew the swingarm pivot shaft nut [A].
Usi ...