Oil and Maintenance Guide for 2011 Suzuki LT-Z400 QuadSport Z 400
Before You Service the Engine
Maintaining your 2011 Suzuki LT-Z400 QuadSport Z 400 requires using the correct lubricant and checking the level carefully after refilling. Follow the specific level-check method for this machine and verify that any product you use is suitable for your engine rather than relying solely on a catalog name.
What type of oil does a 2011 Suzuki LT-Z400 QuadSport Z 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 2011 Suzuki LT-Z400 QuadSport Z 400 take?
The available engine-oil capacity is 2.22 quarts. Note that the amount needed during a routine drain might differ from this total capacity, so follow the proper level-check procedure when refilling.
Does synthetic oil automatically mean an ATV can go longer between oil changes?
No. Your oil-change interval depends on your specific engine, operating conditions, and manufacturer requirements. Using a synthetic product does not establish a longer service interval for this model.

