mercruiser alpha

  1. M

    Synthetic or Regular Oil

    I purchased a 2017 Sea Ray 19SPX I/O with a 4.3L Mercruiser this year. I'm preparing to winterize it and I'm trying to find out if the engine came with synthetic oil or regular oil. The literature that came from with the boat indicates what type of synthetic oil to use if you're using synthetic...
    • mattradk
    • Thread
    • 19spx mercruiser alpha oil synthetic
    • Replies: 7
    • Forum: Sport Boats
  2. Rixram

    1987 Alpha One (Gen 1) issues: Leak & shift

    Hey all, I have an 87' Seville II MC 210 with the 4.3L and the Alpha One G1. I have 3 seperate issues with is that I could use some input for. 1] Slow leak. When in the water (obviously), I have a slow leak which cycles the bilge pump every 10 minutes or so. When I took it to the Merc...
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