Oil and Maintenance Guide for 2005 Honda FourTrax Foreman Rubicon 500
Before You Service the Engine
When servicing your 2005 Honda FourTrax Foreman Rubicon 500, identify the correct lubricant and follow the proper refill steps. Catalog recommendations are a starting point; always consult your specific service instructions before adding any fluid.
How much oil does a 2005 Honda FourTrax Foreman Rubicon 500 take?
The engine-oil capacity is listed as 4.86 quarts. Since the amount removed during a routine drain may vary from this figure, use the manufacturer's level-check procedure when refilling.
Why does four-stroke engine oil need the right application rating?
Engine oils vary by additive package and friction characteristics. Because some powersports engines share oil with a wet clutch or transmission, you must match the manufacturer's specific requirements alongside viscosity. This listing does not confirm your specific clutch design.

