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I am not sure how to measure, its a Tracker pro V 17 so came out of the factory this way in 2019. the thing is, the pressure does go to 20 at high RPM and stays there for a couple of minutes before dropping off. there is still water coming out of the tube but not a strong stream
I have a 2019 Merc 115HP outboard SN 2B669032 with 120 hours on it that is loosing water pressure after a couple of minutes at high RPM. I am fine at idle, 5 psi or so and about 130 deg temp (VesselView). I increase throttle to to cruise range, 4 to 4K or so and the water pressure increases to...
