89 Mariner 50hp comperssion question.

NobleNoob

Recruit
Joined
Sep 16, 2015
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4
Today I tested my compression in my motor. The top cylinder was about 150 psi, the middle 125, and the bottom 124. Is this typical? I know they need to be within about 10% of each other but most other motors I have had have been around 100 psi.
 
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