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  1. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Ok Ok boys back again…. Everything is good just had something happened while cruising. We were going full to throttle like normal and then my motor reved up and I didn’t have drive. I just had this outdrive installed. Brand new by certified omc technicians. It’s almost like the tranny is...
  2. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Unless I’ve mistaken. How can I tighten the spring?
  3. Nick_1987 5.7 OMC

    5.7 omc carb leak

    The spring on mine is bolted to the block and let’s go as the block heats up.
  4. Nick_1987 5.7 OMC

    5.7 omc carb leak

    What secondary air valve?
  5. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Well today we got it done, carb was put back together, and installed. Bogging didn’t go away. Tightened the harness and that seemed to solve some of the issue. But most importantly new plugs for the job done. Boat runs like a dream. We were able to tighten those 4 bolt on the y pipe. Yes all 4...
  6. Nick_1987 5.7 OMC

    5.7 omc carb leak

    I was stunned to when I noticed it. My father and i starred at each other for a few good seconds 😂 I have no explanation how it could have happened. Has to be from vibration. I can’t think of anything else. Both of the top screws are like that. The bottom ones might need a bit of tightening to...
  7. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Here is video of leak ^^^
  8. Nick_1987 5.7 OMC

    5.7 omc carb leak

    I have a video of the leak I will try and attach it, one clip shows the leak and the other you can see the the bolts including there thread. No corrosion visible on bolts. When I pull on y pipe the leak increases. When I push it against the transom. The leak stops.
  9. Nick_1987 5.7 OMC

    5.7 omc carb leak

    I’m a handy guy, been wrenching for over 30 years. What should I buy before hand ?
  10. Nick_1987 5.7 OMC

    5.7 omc carb leak

    I have a video of leak how long will it take me, can it be done it a weekend? What are the steps I need to take and anything I should order?
  11. Nick_1987 5.7 OMC

    5.7 omc carb leak

    What do you mean by corrosion? Transom rot? I had the boat surveyed this year. The boat is rot free. Is there no other way to fasten those bolts, not even with a flexible bit driver? I really don’t want to have to pull the motor.
  12. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Ok carb issue is fixed for now, but I discoved That the y pipe from exhaust is lose. It bolts from inside the boat through the transom and I’m guessing it screws into the gimbal on the outside. I have water trickling in. How the **** do I tighten those bolts, they are very loose. And it’s super...
  13. Nick_1987 5.7 OMC

    5.7 omc carb leak

    My fuel line is alittle messed up so I want to change it while boat is in water. If I drain the block of the water will it suck up water through the exhaust manifolds and into the chamber?
  14. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Will be going back tmr. I’ll give this a try
  15. Nick_1987 5.7 OMC

    5.7 omc carb leak

    Hey all back again, sadly…. So I have a 5.7 omc from 1987-89. Just did a carb clean on the motor and everything is fine in the mechanical side of things but I think I may have a electrical issue. While running a few days ago, the motor was stubbling out of the blue and then back to normal after...
  16. Nick_1987 5.7 OMC

    1987 Rochester quadrajet

    Warmer temps here in Canada today, decided to see how she runs again, miss the that sound 😎
  17. Nick_1987 5.7 OMC

    1987 Rochester quadrajet

    Thanks for all your help Lou, she started right up and purrs like a kitten!
  18. Nick_1987 5.7 OMC

    1987 Rochester quadrajet

    Ok sounds good, I’m gonna attempt to see if it starts, I had the boat running for the past season without those brass fittings. What should I expect when trying to start? Knowing the carb has to gas in it. Is there a certain procedure I have to follow to insure a quick and easy start up ?
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