Johnson/Evinrude 3hp Compression?

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August 30, 2016 at 1:48 am #5106
pike10
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Hello, I have a number of Johnson/Evinrude 3hp outboards from the mid 1950s to the early 1960s that will be a winter project to make as many complete runners as possible. What is the low end of the compression range as well as the high end, like new compression? Thank you.
August 30, 2016 at 2:07 am #42919
wedgie
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75 -80 psi is considered good
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