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Message: <blockquote data-quote="BernieP" data-source="post: 518933" data-attributes="member: 25295">I have a 1984 70 HP Evinrude that I've been trying to make run decent at low speeds.  I decided to just start over and do the whole thing with cleaning carbs and link and sync .   But first I did a compression check and found that it's only 85 to 90 psi.  Much less than the 120 figure I've seen posted as decent.   Haven't done a decarb yet to see if that helps but that's next.      The thing is it runs great at higher speed.   This thing pushes my 17ft deep v at 32.   Great acceleration once it's off idle.     Was just wondering if anyone put there is knowingly running a  low compression motor and making do.  Or if I'm looking at making the trip back in on the trolling motor soon lol. Thanks</blockquote>