Motorcycle Maintenance and Oil Information for 2003 Hyosung EZ 100
For an oil service on the 2003 Hyosung EZ 100, use the catalog to identify candidate products and the service information to verify where each lubricant belongs. Engine two-stroke lubrication should not be confused with transmission lubrication.
What kind of engine oil does a 2003 Hyosung EZ 100 need?
The product matches for this motorcycle include DOMINATOR® Synthetic 2-Stroke Racing Oil, INTERCEPTOR® Synthetic 2-Stroke Oil. The record does not verify a viscosity, premix ratio, or oil-injection method; use model-specific service instructions for those details.

