Engine Oil Function Definition

In Simple Terms

Engine oil in F1 must do its normal job—keeping the engine running smoothly by lubricating parts, reducing wear, and keeping things cool. It's strictly forbidden from doing anything extra like improving fuel performance or boosting combustion, which would be cheating.

• Oil lubricates moving parts and reduces friction and wear
• Oil must cool the engine and prevent corrosion
• Oil cannot enhance fuel properties or energize combustion
• This rule prevents teams from using oil as a performance loophole