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    Removing outdrive when not aligned

    Working on a 1982 merc 140 I/o that was making a god awful noise, first thought was it lost a ring. Go to pull the outdrive, mc-1, this thing is not coming off. It's in forward, verified by turning counter c.w. I take a look at the front mount and notice the adjustment nut is none existent, not...
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    Merc 120 Hp (3849449) overheating

    I have a merc 120 hp model 3849449 that seems to have a cooling issue. The temp climbs to 180 degrees very quickly, i would guess that it would keep climbing but I haven't wanted to over heat the engine. I figure it's either the impeller, but this test was done on the muffs so my thoughts were...
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    Shift cable stuck after outdrive remount

    I replaced all the bellows and shift cable on my MC-1 outdrive, 1968 4cylinder 140HP, and now it seems the shift cable has no movement. The intermediate shift shaft coupling is aligned inside the shift shaft slot and the shift slide assembly was also correctly aligned with roller to the best of...
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    Mercruiser 120 Backfire After Rebuild

    Greetings, I'll try to be succinct. Working on a Merc 120 Hp (3849449) thought to be a 1975. When I try to start (it's out of the boat on a pallet) she cranks and wants to fire and then I get a *POP*. The popping noise seems to come from the carb and I even got traces of smoke, guess it could...
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