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  1. yatabata

    Compression on old mercury mark 10hp

    What is a good range for a 1957 mercury mark 10hp? Just checked it and both cylinders are at 85psi. I think that should be ok for an old pull start that hasn't been ran in years. This was dry except for trying to start it with the 50/1 mix. No spray in the cylinders yet to improve psi yet.
  2. yatabata

    1996 mercury 60 horse 3 cylinder 2 stroke

    Tried to post this yesterday but didn't work so trying again. I have a question on what the maximum timing should be on this unit? The Seloc manual specs show a max cranking and WOT setting. I'm doing a static tune without the plugs in and have been told drop the string down 2 degrees with this...
  3. yatabata

    mercury 60 2 stroke oil adjustment 1996

    I'm ready to reset my oil adjustment with the engine on idle settings. The plate has a notch. Where is the alignment on the pump at? There is a post on the pump is that it?
  4. yatabata

    60 horse merc idles fast 1996 bigfoot

    Engine runs but fast idle. 2000 rpm. Carbs cleaned and fuel pump. Has a miss too. Is the timing off now?
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