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ContinuousWave: Post-Classic Whalers
PSI on 90 Merc 2S
|Author||Topic: PSI on 90 Merc 2S|
posted 02-20-2006 07:44 PM ET (US)
After searching the archives and owners manual for the proper psi reading, i emailed mercury and got this answer:
@750RPM (IDLE) 2.0-4.0 psi
@6000RPM (WOT) 10.0-15.0 psi
Why wouldn't this be in the owners manual?
posted 02-21-2006 12:55 AM ET (US)
Many values like this are only stipulated in the official factory manual for the engine (as opposed to the owner's manual). Its just the way it is....
posted 02-21-2006 09:55 AM ET (US)
i guess i could understand that if i didn't have a psi gauge come with the boat.
|BOB KEMMLER JR||
posted 02-21-2006 05:43 PM ET (US)
doesn't that motor redline at 5500?
posted 02-22-2006 08:11 AM ET (US)
The two stroke Merc 90 redlines at 5500rpm and the four stroker at 6000rpm. Larry, are you talking about the two or four stroker?... Clark... SCN
posted 02-22-2006 10:44 AM ET (US)
i have the 90 2 stroke. i explained that to mercury in my email. maybe they missed it. i still cannot understand a boat coming with a psi gauge but, no mention of the proper parameters mentioned in an owners manual.
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