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  1. Skipjack99

    Mainship 400 Starboard Fuel Tank Leaking

    I also initially thought it look like a drilled hole as well, but then realized that it would had to have been there for almost 15 years before leaks occured. Not to mention all of the flexing and stress that occurs on boats. Can't imagine someone pulled the engines to pull the tanks to drill a...
  2. Skipjack99

    Mainship 400 Starboard Fuel Tank Leaking

    I have no clue!. I ran my hand over the section of the floor where the tank was placed and found nothing there that I could tell could have caused it. I couldn't find any evidence of significant corrosion anywhere near the hole. It's a mystery to me.
  3. Skipjack99

    Mainship 400 Starboard Fuel Tank Leaking

    Since I did not actually do it myself, I can't comment on how difficult it was. I will say that the team I worked with did not mentioned that things were not routine. A leak started to develop on the port side, which now I suspect was the high pressure hose because I could not find any issues...
  4. Skipjack99

    Mainship 400 Starboard Fuel Tank Leaking

    Unfortunately, I too had this problem with my '04 twins. What started as a gradual manageable leak a few years ago, eventually turned into an all of a sudden gusher one day which required an emergency Friday evening call to a marine fuel spill specialist to come and drain the tank and drain and...
  5. Skipjack99

    Engine Raw Water Strainer Cap Tool?

    This is what I use. If your strainers look like this, try a simple 1/2 (or whatever size fits) socket drive handle. I've been using it for years. It even works if any of the end tabs on the caps break.
  6. Skipjack99

    Replacing Headiner in a Mainship 400

    Ever consider Vinyl Planks Has anyone ever seen or considered using PVC Vinyl Beardboard Planks? I once saw this on a 400 as was thinking about trying it.
  7. Skipjack99

    mainship 400 stair lift shocks project

    Engine Access Door Has anyone by any chance installed a gas lift on the floor engine access door?
  8. Skipjack99

    MS 400 Cockpit drains

    I used to get tons of water in the lazertte after heavy rains until I figured out what I believe was the culprit. The two drain holes underneath the cockpit access door on opposite sides would get clogged from debris. Any particles on the boat (dry leaves, spiderwebs, bugs, etc.) would make its...
  9. Skipjack99

    MS 400 Twins - remote oil filter?

    Real easy to change with no mess. Just drill a hole on the side, rotate 1/4 turn, drain in small container, replace.
  10. Skipjack99

    MS 400 Twins - remote oil filter?

    Here is a picture of my install done by PO. Love it. Have had no issues with it in the 5 years of ownership.
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