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Recent content by MrTimsmith

  1. M

    1992 40hp merc, enrichment system configuration advice.

    I am part way though repairing a 40hp 4cyl mariner magnum 1992. I have 2 powerheads in my workshop each using a different route for their enritchment during startup. Attached is a diagram from the specific manual which showcases both mnethods clearly. One method goes to the carburetors while the...
  2. M

    Mariner magnum 40hp single piston failure advice.

    Interestingly after starting to dismantle the engine i noticed that the centre of the mangled spark plug has somehow vanished into the engine (see figure 1), whether this has to do with the loss of the piston and the subsequent damage i don't know, however the whole engine still turns over...
  3. M

    Mariner magnum 40hp single piston failure advice.

    What I want to know if anyone can help diagnose the issue and point to a solution which may include repair or replacing the existing engine. It is a 1992 mariner magnum 40hp 2 stroke outboard. Long story short I've recently been doing up an older outboard and boat owned by family, and got to...
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