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  1. I

    1993 Johnson 60 wireing diagram

    I am trying to replace the main harness on 1993 Johnson 60 and cannot figur out the where the 2 pinkish wires are that come out of the harness on the top of the motor one is male other is female any help?
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    1976 mercury 850 idle problems

    I bought this motor last year the motor had sat for at least 15 years said the guy I bought it from the dude that had it before him let it sit up for almost 8 years so the motor had sat up for 23 years with that being said wires were completely shot bought new switch box trigger and rectifier...
  3. I

    1978 mercury 850 fuel pump spring

    Pulled the plugs yesterday there all the same color looks to be a little fouled put new ones in still the same thing hooked the timing light up all 4 getting fire timing looked a little off but maybe a few degrees from what I’ve been able to find it’s sopposed to be 6deg atdc at idle sound...
  4. I

    1978 mercury 850 fuel pump spring

    454 4541835
  5. I

    1978 mercury 850 fuel pump spring

    Does anyone know the timing specs?
  6. I

    1978 mercury 850 fuel pump spring

    South Georgia
  7. I

    1978 mercury 850 fuel pump spring

    Okay I’ve rebuilt the fuel pump last week still not running right in fact that’s when it started bogging at wot I have gone through the harness and rewired as far as I can it has a new trigger and cdi box the last time I hooked a timing light to it I was getting fire to all 4 cylinders witch was...
  8. I

    1978 mercury 850 fuel pump spring

    Where can I get one to replace it?
  9. I

    1978 mercury 850 fuel pump spring

    I have a 1978 mercury 850 and have been having a lot of problems with idle and will not start without giving it gas and even when it does it sounds like it’s so loaded up that it takes a second to catch up I picked the motor up for 300$ so I’ve cleaned carbs replaced spark plugs rewired...
  10. I

    Block or head gasket? 2005 yahmaha 90 4stroke

    I’m looking to repower my boat as the other motor keeps sending me problems. I have found a 2005 yahmaha 90 4stroke at a pretty good price of it works out the thing is the motor does not run the guy said it ran a week ago and will turn ove but not start he says it has 140psi on each cylinder...
  11. I

    What pitch/diameter is recomended

    I have a 1998 tracker pro 17 running a 1978 Mercury 85hp I bought this motor separately with no prop and I looked for answers on what to run but I’m still learning all this any recommendations or someone running something similar to this? Thanks!
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