Oil and Maintenance Guide for 2006 Honda FourTrax Foreman 4x4 ES 500
Before You Service the Engine
When planning an engine service for your 2006 Honda FourTrax Foreman 4x4 ES 500, you should verify the correct lubricant and refill steps. Use catalog recommendations as a starting point, but consult your specific service instructions before adding any fluid.
What type of oil does a 2006 Honda FourTrax Foreman 4x4 ES 500 take?
The engine-oil viscosity shown for this model is 10W-40. The available oil-product listings include 10W-40 Synthetic ATV/UTV Engine Oil, Formula 4-Stroke Power Sports Synthetic Motor Oil. For a service, choose oil that meets the engine’s actual application requirements, not just a product name.
How much oil does a 2006 Honda FourTrax Foreman 4x4 ES 500 take?
The listed engine-oil capacity is 2.64 quarts. Since the amount removed during a routine drain might differ from this figure, follow the proper level-check procedure when refilling.
Why does four-stroke engine oil need the right application rating?
Engine oils vary based on their additive packages and friction characteristics. Because some powersports engines use the same oil for both the engine and a wet clutch or transmission, it is important to match the manufacturer's specific requirements alongside the viscosity. This listing does not confirm your specific clutch design.

