Mercury Racing lubricants are engineered and specially formulated to withstand extreme heat and stress and provide exceptional protection, longevity and resistance to wear in in all Mercury Racing engines.
Mercury Racing 10W-30 MRX engine oil is a full-synthetic lubricant engineered alongside the Mercury Racing Apex series of competition outboards and specifically formulated to withstand the extreme heat and stress experienced by engines during Formula 1 tunnel boat competition. Mercury Racing recommends MRX engine oil for ultimate performance and protection in all 250R, 300R, 400R and 500R outboards.
Designed for engines operating at high temperatures or in extreme high-to-low RPM conditions, Mercury Racing 25W-50 High-Performance engine oil is recommended for use in select outboards and in all Mercury Racing sterndrive applications (520hp through 1550hp).
Mercury Racing 85W-90 Extreme Gear Lube is designed for use in all Mercury Racing outboard and sterndrive applications. The full-synthetic formulation helps prevent horsepower loss and won’t break down under high-temperature use. Tackifiers and pressure additives improve oil film adhesion and protect gearsets against excessive wear.
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