Honda AQUATRAX R-12X 2005 Owner's Manual page 131

Engine oil quality is a major factor that
affects both the performance and the service
life of the engine.
Using the proper oil (page
regularly checking, adding, and changing oil
will help extend your engine's life. Even the
best oil wears out. Changing oil helps get rid
of dirt and deposits in the engine. Operating
the engine with old or dirty oil can damage
your engine. Running the engine with
insufficient oil can cause serious damage to
the engine.
124) and filter, and
Engine Oil & Filter
Change the engine oil as specified in the
maintenance schedule on
Servicing Your Honda
page 107.
123