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  1. 6

    Possible Clutch Dog Issue?

    I'm getting ready to go pull the L/U on my 1969 Mercury 1000 (100HP) to check the clutch dog. Back in May of this year I took my step son's boat out on a test run to see if we had fixed an issue we had with fuel starving. I ran the boat up to near full speed (didn't want to go full speed since...
  2. 6

    69 Merc 100 with one cylinder down in compression

    I have a 1969 Mercury 1000 (100 hp) that has the #1 cylinder with compression around 90 psi and the other 5 are around 120 psi :eek:. We poured a little 30 wt. oil into the cylinder and that brought it up to about 115 psi. The boat hasn't been run in a year when I had problems with it bogging...
  3. 6

    1969 Merc 100 not running under load

    I'm not sure if this is the best place to post this because I'm not sure if it's a motor problem or a fuel tank/line problem. My step-son bought a 1969 16' Alumacraft boat with a 100 Merc outboard last year for $500. After he bought it, we were able to run the engine up in the driveway without...
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