Search results

  1. M

    All seems good but Wont Start

    I have a 1965-66 500 series 50 hp merc motor. I replaced all fuel lines and cleaned carbs. They were extremely dirty and filled with junk. I replaced plugs, got spark on all. The motor ran but would not stay running so I did the above maintance. Now it won't even start. The carbs seem to...
  2. M

    Cooling question

    I have a 1965 Merc 500 series 50 hp motor. It runs great but how do I tell if there is sufficient water running through the motor to keep it cool. Water runs out the prop since that is where the exuast comes out but is this enough and how much is suppose to go through it.
  3. M

    Motor won't shut off????

    I have a 1965-66 Mercury 500 series 50 hp outboard motor and I bought it for cheap. Did all the maintance and the motor runs like NEW but it won't shut off. Turned the key off (electric start works)...still running.....unhooked the harness to the motor..still running. I had to un hook the...
Top