Oil and Maintenance Guide for 1999 Kawasaki Bayou 4x4 400
Before You Service the Engine
Routine engine maintenance on the 1999 Kawasaki Bayou 4x4 400 calls for the correct lubricant and a careful check of the level after refilling. Use the proper level-check method for this machine, and verify product suitability instead of relying on a catalog name alone.
What oil does a 1999 Kawasaki Bayou 4x4 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.

