Engine Oil & Filter - Honda GL1800 2004 Owner's Manual

Engine Oil & Filter
Engine oil quality is a major factor that affects both the performance and the
service life of the engine.
Using the proper oil (page 127 ) and filter, and 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 and transmission.
Change the engine oil as specified in the maintenance schedule on page 110 .
When running in very dusty conditions, oil changes should be performed more
frequently than specified in the maintenance schedule.
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Servicing Your Honda