Oil and Maintenance Guide for 2004 Suzuki LT-F400 Eiger 2x4 400
Before You Service the Engine
When performing routine engine maintenance on your 2004 Suzuki LT-F400 Eiger 2x4 400, make sure you use the right lubricant and check the level carefully after refilling. Before you pull the drain plug, be sure to identify the proper refill and level-check procedure, as a published capacity might not be the exact amount you need after a standard drain.
What type of oil does a 2004 Suzuki LT-F400 Eiger 2x4 400 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 2004 Suzuki LT-F400 Eiger 2x4 400 take?
The listed engine-oil capacity is 3.38 quarts. Keep in mind that the amount you add during a routine drain may differ from this figure, so always follow the correct 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. Since some powersports engines share oil with a transmission or a wet clutch, it is important to match the manufacturer’s specific requirements alongside the viscosity. This listing does not confirm the specific clutch design.

