25W50 synthetic oil is often recommended for marine engines used in racing. The high-performance oil provides maximum lubrication for your marine engine.
It maintains viscosity under the most extreme operating conditions such as:
Racing: engine running at maximum power and high temperatures
Tow Sports & Fishing: alert between periods of high RPM and accelerating to low or idle speeds.
Protects against paint buildup and mold growth.
Exceeds rust protection requirements for NMMA certification.
25W50 synthetic blend recommended on Mercury Verado and all other high-performance marine engines.