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  1. Scott Danforth

    Need ideas on problem with 5.7L Mercruiser shutting down

    The 2-wire ignition sensor mentioned in post #4 is more probable than a bad coil. And a simple trouble shooting guide exists to test the system (also linked in post #4)
  2. Scott Danforth

    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    I would just rebuild the old one. Could be any number of things wrong with the new one
  3. Scott Danforth

    Pistons on Ford 302 / Mercruiser 188

    Don't forget the cam which swaps cylinder firing order.
  4. Scott Danforth

    48 years...

    Great catch
  5. Scott Danforth

    Buying an '03 Sea Ray Sundeck 220

    SBC motors spit the core plugs AFTER the block cracks
  6. Scott Danforth

    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    Agreed in the original Rochester. If the venturi bleeds are not sized properly on the Amazon special the OP has, it could be transitioning sooner
  7. Scott Danforth

    48 years...

    Make sure to put the battery in a battery box. Acid leaks happen
  8. Scott Danforth

    1993 bombardier throttle body side mount on a 1993 tx 17 bass tracker

    Use a DVM and start trouble shooting
  9. Scott Danforth

    1993 bombardier throttle body side mount on a 1993 tx 17 bass tracker

    Check the MOB switch
  10. Scott Danforth

    Water splashing over transom help

    Looks like transom is too tall for the motor. Looks like the AV plate is 2" higher than the keel
  11. Scott Danforth

    1993 bombardier throttle body side mount on a 1993 tx 17 bass tracker

    The ignition switch should just ground the ignition to kill on a 2-stroke outboard
  12. Scott Danforth

    Looking for Lowe Bimini Top Mount Screws

    Go to McMaster Carr, look up sex bolts
  13. Scott Danforth

    Can’t Figure out Prop ….

    You need to know what you have and what RPM you currently get at WOT and fully trimmed. Pull the prop and get the numbers
  14. Scott Danforth

    Oil leak - Volvo Penta 5.7

    what year? the o-ring on the adapter could simply have dried up and failed. especially if the motor is 15 years or older. could be an oil switch or sender as AD pointed out. regarding oil pressure. could be any number of things. first of which would be oil viscosity degradation from heat...
  15. Scott Danforth

    Merc 3.0 Overheating

    tilt the boat a bit to the other side and water will come out the other idle relief port hole. you are over thinking that.
  16. Scott Danforth

    Battery sizing and load doesn’t make sense

    trolling motors are generally 24, 36, or 48 volt. the main motor and electrical system is generally 12 volt if you want to add a battery, do so. if you want to add a second battery, an ACR, and separate the house loads, feel free. if you add a radio and other electronic suck-holes for...
  17. Scott Danforth

    Ocean boat builder

    No
  18. Scott Danforth

    Just can not figure it out

    Stop using starting fluid on a 2-stroke outboard
  19. Scott Danforth

    Ocean boat builder

    Thoughts about what?
  20. Scott Danforth

    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    Or float level is fluctuating covering and hiding either a jet, or passage or casting flaw
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