That’s kind of what I was gathering from the pictures of it. Thank you for confirming thisPower head has to come off.----Your location ?----Canada----evinrudeparts.ca----might help.
Motor is good no issues there just the previous owner hit something with the housing and it’s bent so the hood doesn’t seal correctly so I was going to fix it but not sure if it’s worth all of the work for an 1/8” gapAnd step #1 on a motor like that is a compression test.----For future reference.-----Post the actual values you get.