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.
Authorized Manuals
■ Service Express
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Service Express. Visit www.techinfo.honda.com for pricing and options.
■ For U.S. O ...
Radiator Connecting Pipe Replacement
Drain the engine coolant.
Remove the thermostat housing.
Remove the connecting pipe (A).
Install the connecting pipe with a new O-ring (B).
...
Rocker Arm Assembly Removal
Remove the cylinder head cover.
Loosen the rocker arm adjusting screws (A).
Unscrew the rocker shaft mounting bolts two turns at a time in the
sequence shown.
...