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  1. J

    Intermittent Trim issue - late 80s Mercury 115

    I took it out yesterday. I've got other electrical issues now. Charged the battery yesterday morning, hooked up the hose to the lower unit, and started it up in my driveway just to make sure she wanted to fire up. Took longer than it should, but eventually cranked and ran strong. I let it...
  2. J

    Intermittent Trim issue - late 80s Mercury 115

    Yes, inline 6.
  3. J

    Intermittent Trim issue - late 80s Mercury 115

    All three cylinders and the trim motor are mounted outside the transom between the brackets.
  4. J

    Intermittent Trim issue - late 80s Mercury 115

    I also left out that I went and tried bleeding the system again multiple times on the morning of the
  5. J

    Intermittent Trim issue - late 80s Mercury 115

    I also left out that I went and tried bleeding the system again multiple times on the morning of the 4th.
  6. J

    Intermittent Trim issue - late 80s Mercury 115

    Here's my situation, apologies for any extraneous info: I've got an older boat with a late 80s model Mercury 115 outboard which I only take out a handful of times per year. I changed out the side control box last year. Everything ran fine past year except for old throttle and shift cables...
  7. J

    Trim help needed on installing new Mercury control box to older motor

    Short story: I need help diagnosing why my trim won't operate with a new control box on an older outboard. Long story: I've got a c.1984 Mercury 115 tower of power with the original Quicksilver control. Boat is a late 80's 17' bowrider. Had to replace the control box and had to upgrade to a...
  8. J

    Troubleshooting cranking issues - 1983 Mercury 115 Tower of Power

    TIA for help coming up with a troubleshooting priority checklist for my 1983 115. Here's the facts: I bought this boat 3 years ago after having not owned a boat for many years. I had had a Donzi Z21 half a lifetime ago. Just wanted a cheap but dependable little combo boat to go cruise the...
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