Mercury High Performance Gear Lube is an exclusive formulation engineered to provide maximum protection and extended gear life in extreme conditions including high speed and high horsepower applications.

This Mercury High Performance Gear Lube is intended for use in all Mercury, Mariner, and Force Outboard lower units, jet pumps, Sport Jets 75HP and above, and all Mercury MerCruiser sterndrives.

Mercury recommends changing your gear lube at least once per year prior to storage), after every 100 hours of operation under normal use, or after 50 hours of operation in a saltwater environment.

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