Reply To: Disappointment of buying from Ebay

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April 24, 2023 at 9:06 am #275494
Evinrude 25
Participant

    I have used my 15 year old Mastercraft gauge (made in Canada at that time) to check it. I also check my other 9.9 hp and it shows 115/118 psi as well. I use this gauge to check my 1973 20Hp, it shows 120/121 psi.

    The intake open, I could see the rings moving (not stuck) and very clean (no carbon disposit), spray some WD-40 to wet the cylinder and use the power mill to spin the flywheel, I could read 89/93 psi.