Motorcycle Maintenance and Oil Information for 2003 Honda CT 110
Before you purchase oil for the 2003 Honda CT 110, compare the catalog match against the motorcycle’s service requirements. The right viscosity is only one consideration; the applicable oil standards and filling procedure also matter.
What kind of engine oil does a 2003 Honda CT 110 need?
In the product lookup for this model, 10W-40 is the engine-oil grade shown. Products shown for this application include 10W-40 Synthetic Dirt Bike Oil. Viscosity alone does not establish full compatibility; verify the manufacturer’s oil standard.

