Recent content by Jstep

  1. Jstep

    Drain plugs on a Mercruiser 160 6cyl

    I have a 1969 Mercruiser 160 that I am trying to drain before I put it into storage. Figure 5 on page 1A-8 of the service manual shows 3 drains; two marked "Sea Water" and one marked "Fresh Water". I was able to easily find the "Fresh Water" drain on the block, which was more like a thumb-turn...
  2. Jstep

    Merc outdrive only trims down halfway

    I have a 1969 Mercruiser 160 with a pre-Alpha outdrive. When I bought the boat, the trim cylinders were leaking at the end caps, so I took them off and rebuilt them with new seals, bearings, and housings. I attempted to bleed them using the Mercruiser factory manual procedure, but I'm not having...
  3. Jstep

    Tough crud where vent plug gasket should be

    I went to change the gear lube oil in my 1969 pre-alpha Merc outdrive, and I am having a really difficult time cleaning the surface that the vent plug gasket should seat on. There is some sort of dark-grey/charcoal colored material in there that is very tough and stubborn. I have tried scraping...
  4. Jstep

    Trim cylinder rebuild kit question

    I purchased a Sierra trim cylinder rebuild kit to rebuild my leaking cylinders. They are from a pre-alpha Merc 160 from 1969, and have 2 ports with internal lines. The question is that the replacement inner cylinder that came with the kit appears to have some very, very light surface rust on...
  5. Jstep

    Is it possible to lighten a fiberglass boat?

    Is it possible to reduce the weight of an older fiberglass boat somehow? For instance, rebuilding certain non-structural components with lighter materials? I'm looking at two potential boats to buy and restore, and one is just 1 ft. longer than the other, yet an additional 1200 lbs! :eek: I'm...
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