Oil and Maintenance Guide for 1998 Honda TRX450S 450
Before You Service the Engine
For the 1998 Honda TRX450S 450, planning an engine service involves checking the correct lubricant application and following the proper refill procedure. 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 1998 Honda TRX450S 450 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 1998 Honda TRX450S 450 take?
The available engine-oil capacity figure is 2.22 quarts. The amount added during a routine drain may differ from the listed capacity; use the correct level-check procedure when refilling.
Does using synthetic oil change the viscosity grade an ATV needs?
No. Synthetic describes how the oil is formulated; it is separate from the SAE viscosity grade. A synthetic oil still needs the appropriate grade and engine-application specifications.
