Oil and Maintenance Guide for 1989 Kawasaki Bayou 300
Engine Oil and Service
For the 1989 Kawasaki Bayou 300, the engine-oil details are a useful starting point before beginning an oil change. For engine-oil service, 10W-40 is among the oil grades identified for this model. The oil application is 4-stroke, which is worth checking when selecting an oil made for powersports engines.
The available engine-oil capacity figure is 1.8 quarts. Follow the service procedure and check the final level rather than relying on the quantity alone. Among the synthetic oil choices returned for this application are 10W-40 Synthetic ATV/UTV Engine Oil, Formula 4-Stroke Power Sports Synthetic Motor Oil.
What oil does a 1989 Kawasaki Bayou 300 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 1989 Kawasaki Bayou 300 take?
The available engine-oil capacity figure is 1.8 quarts. The amount added during a routine drain may differ from the listed capacity; use the correct level-check procedure when refilling.
Why does four-stroke engine oil need the right application rating?
Engine oils differ in additive packages and friction characteristics. Some powersports engines share oil with a wet clutch or transmission, so matching the manufacturer’s oil requirements matters in addition to viscosity. This listing does not by itself confirm the clutch design.

