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  1. M

    87 Cobia 120hp inline 4 cyl. exhaust problem

    While recommissioning my boat, I noticed that the engine is only blowing water/exhaust out of the starboard side and only air out of the port side. Where do I start looking for the culprit to this problem? My temp gauge is reading normal and the exhausting air is warm but not hot. Do I have some...
  2. M

    the dreaded no spark on 120 Mercruiser I/O

    I bought a 1986 Cobia 193VBR with a 120hp I/O. I'm not getting any spark to the plugs. At the suggestion of a decent local mechanic that I know, I've replaced the coil, condenser, points and rotor. Still no spark. My test light is lighting on the negative side of the coil and lighting at the...
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