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    1991 90HP V4 Cylinder Compression Range

    Does anyone know the compression range for this motor?
  2. C

    Low Ignition Voltage

    Hello everyone, I have a 1991 Evinrude 90HP V4 that is giving me some ignition problems. Backstory is the motor overheated and caused a whole bunch of headache. The heads and block were warped, the coils blew, the rectifier blew, the powerpack wasn’t working, and the stator resistance was out...
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    Swelling Powerpack

    What would cause a powerpack to swell? I have a 1991 90HP Evinrude.
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    Rough idle

    I have a 1991 90hp v4 crossflow that I cannot solve. I added a video to help understand the problem. A few months ago i bought this motor. The compression readings are from 115psi to 108psi. Hasn’t changed since I purchased it. While out one day it picked up some tree bark from logging...
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