Mercury 25W-50 4-Stroke Synthetic Marine Oil

Mercury 25W-50 4-Stroke Synthetic Marine Oil

25W50 oil is often recommended for engines used in racing. This high performance oil provides maximum lubrication for your marine engine.

This oil maintains viscosity under the most extreme operating conditions such as:

• Racing: Operating engine at maximum output and high temperatures.
• Tow sports and fishing: Alternating between periods of high RPM's and throttle down to low RPM's or idle.
• Protects against varnish buildup and sludge formation.
• Exceeds the rust protection requirements for NMMA certification.

Recommended for use in Verado outboards and other high-performance marine engines.

Exceeds manufacturers' warranty requirements and recommendations for use of an FCW 25W50 oil.

Supersedes:

• 8M0078013 s/s 8M0053665

How much oil does my engine need?

It varies model to model, check out our Mercury and MerCruiser oil capacity guides for more information and capacity charts!

Special Order Mercury Marine Information:

• Additional Handling Time: Item transfers from an alternate warehouse requires an additional 1–3 business days to ship.
• Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.
• Verify Fitment Before Ordering: Please confirm compatibility with your engine model.

Frequently Asked Questions

What is Mercury 25W-50 4-Stroke Synthetic Marine Oil used for?

Mercury 25W-50 4-Stroke Synthetic Marine Oil is a high-performance marine oil designed to provide maximum lubrication under demanding operating conditions. It is recommended for use in Verado outboards and other high-performance marine engines, including applications such as racing, tow sports, and fishing.

Why is Mercury 25W-50 Marine Oil recommended for high-performance engines?

The 25W-50 formulation is designed to maintain viscosity under extreme operating conditions. The product description specifically identifies racing, tow sports, and fishing as applications involving high RPM, high temperatures, or frequent changes between high and low engine speeds.

Can Mercury 25W-50 Synthetic Marine Oil be used in Verado outboards?

Yes. Mercury 25W-50 4-Stroke Synthetic Marine Oil is recommended for use in Verado outboards and other high-performance marine engines. Verify the oil requirements for your specific engine before use.

Does Mercury 25W-50 Marine Oil help protect against sludge and varnish?

Yes. The product description states that Mercury 25W-50 Marine Oil protects against varnish buildup and sludge formation while providing lubrication for marine engines operating under demanding conditions.

Does Mercury 25W-50 Marine Oil meet NMMA rust protection requirements?

Yes. Mercury 25W-50 4-Stroke Synthetic Marine Oil exceeds the rust protection requirements for NMMA certification. It also exceeds manufacturers' warranty requirements and recommendations for use of an FC-W 25W-50 oil.

What product does Mercury 25W-50 Marine Oil supersede?

Mercury 25W-50 4-Stroke Synthetic Marine Oil supersedes part number 8M0078013, with 8M0053665 also listed as a superseded part number.

California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov