Oil and Maintenance Guide for 2004 Honda TRX400FGA 397
Before You Service the Engine
When planning engine service for your 2004 Honda TRX400FGA 397, you'll need to verify the correct lubricant and follow the proper refill procedure. Use catalog recommendations as a starting point, but always consult your specific service instructions before adding any fluid.
What oil weight does a 2004 Honda TRX400FGA 397 need?
The identified oil grade for this model is 10W-40. Keep in mind that viscosity is only one factor; you also need to ensure the product meets the engine's required specifications.
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 share oil with a transmission or a wet clutch, it is important to match the manufacturer's specific oil requirements alongside the viscosity. Note that this listing does not confirm your specific clutch design.
