Check the play of the release bearing by spinning it by hand. If there is excessive play or noise, replace the release bearing.

NOTE: The release bearing is packed with grease. Do not wash it in solvent.
Installation
Hold the gearbox housing using a C-clamp (A) and wooden blocks (B) to a
workbench as shown. Do not clamp the cylinder part of the gearbox housing in
a vise.
...
Charging System Indicator
If the charging system indicator comes on brightly when the engine is running,
the battery is not being charged.
Immediately turn off all electrical accessories. Try not to use other electrically ...
Engine Oil Replacement
Allow the engine to reach operating temperature (fan comes on at least
twice).
Remove the drain bolt (A), and drain the engine oil.
Reinstall the drain bolt with a ...