If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner
Element Replacement in the Periodic Maintenance chapter).
Visually inspect the ECU connectors.
If the connector is clogged with mud or dust, blow it off
with compressed air.
Remove the ECU (see ECU Removal).
Visually inspect the ...
Transmission Assy Assembly
Install the ball bearing [A] until it is bottomed.
Turn the oil seal side to the bottom.
Special Tool - Bearing Driver Set: 57001-1129
Install the bearing holder [B].
Turn the flat side to the bottom.
Apply a non-permanent locking agent to the bearing
holder bolts [C].
Tighten: ...
Specifications
Connecting Rod Big End Bearing Insert Selection
Crankshaft Main Bearing Insert Selection
*: The bearing inserts for Nos. 2 and 4 journals have an oil groove,
respectively. ...