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Tag Archives: Mercury Outboard

Mercury 40 – 300hp Four-Stroke Outboard Maintenance: Changing Gear Lube

Hello Sunny Coast Mercury motor owners.  This step by step how-to-video will walk you through the process of changing the gear lubricant on Mercury 40 – 300hp four-stroke outboard engines. For more information, please consult a Mercury Marine owner’s manual. APPLICABLE ENGINES: Verado: V-8 4.6L 250hp AMS and 300hp AMS FourStroke: I-3 747cc 40hp; I-4 […]

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