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

Shift Fork Guide Pin/Drum Groove Wear InspectionIntake Air Pressure Sensor #2 Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the air cleaner housing (see Air Cleaner Housing
Removal in the Fuel System (DFI) chapter).
Disconnect the intake air pressure sensor #2 connector
and connect the measuring adapter [A] between these
con ...
Connecting Rod Big End Side Clearance Inspection
Measure connecting rod big end side clearance.
Insert a thickness gauge [A] between the big end and either
crank web to determine clearance.
Connecting Rod Big End Side Clearance
Standard: 0.13 0.38 mm
(0.0051 0.0150 in.)
Service Limit: 0.58 mm (0.023 in.)
If the clearance exceeds ...
Clutch Cover Installation
Using a cleaning fluid, clean off any oil or dirt that may
be on the silicone sealant coating area. Dry them with a
clean cloth.
Apply silicone sealant to the area [A] where the mating
surface of the crankcase touches the clutch cover gasket.
Sealant - Liquid Gasket, TB1211F: 92104-000 ...