Oil and Maintenance Guide for 2006 Honda TRX 350 350
Before You Service the Engine
Regular maintenance for your 2006 Honda TRX 350 350 requires using the right lubricant and checking the level carefully after refilling. Since a published capacity might not match the actual amount needed after a routine drain, identify the proper refill and level-check procedure before you remove the drain plug.
What type of oil does a 2006 Honda TRX 350 350 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 TRX 350 350 take?
The engine oil capacity is listed at 2.64 quarts. Because the amount required during a routine drain may vary from this figure, follow the correct level-check procedure when refilling.
Does synthetic oil automatically mean an ATV can go longer between oil changes?
No. Oil change intervals depend on your specific engine, how you operate it, and manufacturer requirements. A synthetic product listing does not mean you can extend the service interval for this model.

