raw water

  1. Jeff Copeland

    5.0 MPI Low Water Pressure Issue (solved - I think!) - Poppet Valve

    I wanted to share an issue I've spent a couple of weeks and a lot of money troubleshooting (and puling my hair out over!), in hopes that it helps someone else out there having a similar problem (and I actually found these forums extremely helpful when troubleshooting this and other issues, so...
  2. RalphD

    Raw water intake hoses

    Hi, I am in the process of replacing all of my raw water intake hoses with Shieldsflex II hoses. The present hoses are 16 years old so in most cases I am cutting them off due to the stiffness. I have two questions that I would like some input on: 1) What is the best way to clean the metal...
  3. R

    First time changing Impellers - 1990 350 EC twin 454 Merc Inboards

    Hey guys, Although, I've piloted many boats for some years, from parents to co-owned boats, this is my first solely owned boat, so I'm a little new to boat maintenance. I'm getting ready to do my first (of many, i'm sure) impeller replacement to hopefully solve a water flow issue I am having...
  4. R

    1990 350 EC - Merc 454 Inboards- Steam in exhaust / raw water flow low

    Hey guys, I relatively green as far as maintenance on my boat goes, but not totally ignorant to basic mechanics. Here's what I'm seeing... Coming in this weekend I was pushing a lot of steam of both exhausts. I immediately checked the strainers and no blockage/excess debris (tho port did...
  5. R

    1990 350 EC - Merc 454 Inboards- Steam in exhaust / raw water flow

    Hey guys, I relatively green as far as maintenance on my boat goes, but not totally ignorant to basic mechanics. Here's what I'm seeing... Coming in this weekend I was pushing a lot of steam of both exhausts. I immediately checked the strainers and no blockage/excess debris (tho port did have...
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