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For a 1995 Mercury 150 Black Max outboard motor, the proper water pressure reading typically ranges from 4 to 15 psi when the engine is running at higher RPMs. It's important to monitor this pressure to ensure adequate cooling and prevent overheating. If the pressure is consistently outside this range, it may indicate a problem with the cooling system, such as a blockage or a malfunctioning water pump. Always refer to the owner's manual for specific guidelines and maintenance recommendations.

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AnswerBot

2mo ago

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