Recent content by ncp546

  1. N

    1980 Mercury 150 V6 Fuel Issues

    Appreciate it fellas, i will try what fazbullet recommends. Meanwhile quick question. I found the diagram online, this was the only bypass tube not hooked up. i believe it goes to the airbox but i could be wrong as the diagram online shows it in the middle between carb1 and 2. But i do not have...
  2. N

    1980 Mercury 150 V6 Fuel Issues

    Im starting to think this was the issue! once again i trusted the mechanic the prervious owner took it too. Nope new fuel lines and bypass hoses...Fuel lines were replaced the bypass might have not been! The small cracks were by the carb corners only thing i can think of is that it was either...
  3. N

    1980 Mercury 150 V6 Fuel Issues

    Thanks Gents as always for the recommendations. I was able to get back by the boat, anyone ever mess with the bleed system? I just found two very very small slices in the hoses. Replaced them out, this is the best I’ve ever heard the boat run on the muffs! Not nearly as much fuel being burnt...
  4. N

    1980 Mercury 150 V6 Fuel Issues

    Just wanted to do a short update. I checked all the floats again...somehow carb 2/3 had a float that looked a bit lower from when i last checked. Got it back to where it measured out by the book. I dont think its enough to be off to make it run this bad but never know. i checked the trick with...
  5. N

    1980 Mercury 150 V6 Fuel Issues

    I’m trying to upload photos but am getting this error when so “The upload failed because the file could not be written to the server. The site administrator will need to resolve this before any files can be uploaded.” I will try from my computer tonight
  6. N

    1980 Mercury 150 V6 Fuel Issues

    I was able to sneak off at lunch and pull the carbs. I got some pictures of the milky I see, since I haven’t ran the boat in a few days most seems to be gone. There is usually more than this however when the boat is running. Unfortunately I’m not sure if floats will be my issue. The OE Manual...
  7. N

    1980 Mercury 150 V6 Fuel Issues

    Anyway I can check this?
  8. N

    1980 Mercury 150 V6 Fuel Issues

    Wow, lots of interesting things to try here. Just want to say thank you to everyone willing to sit here and spend their time trying to help me with this. I will be back at the boat here in the next day or so. I will run a few of these and grab some pictures of the milky I see. I will also try...
  9. N

    1980 Mercury 150 V6 Fuel Issues

    Thank you that’s a good start. I was reading yesterday through some old forums that the milky I see from the throats can be normal from the humidity hitting the cold bowls which it has been crazy humid here the past few weeks with rain. The tell tale I’m also reading opens around 140F? So I’m...
  10. N

    1980 Mercury 150 V6 Fuel Issues

    Hello all. I am finally turning to the forums after throwing in the towel on this project. I have a 1980 Mercury 150 V6. In short here is what is happening... Motor will start and run/idle. There is 0 power out on the water. Full throttle gets me about 4mph and i smoke the entire lake out...
  11. N

    1988 30HP Timing

    I should also note they want you to push the magneto plate while the entire motor is at 3000-3500 rpms with the throttle disconnected, they don’t want the motor to speed up but mine will always speed up because the timing is being advanced without any throttle. The whole thing sucks to do and is...
  12. N

    1988 30HP Timing

    I found mine locally on marketplace, but there is a few on Amazon. Unfortunately it looks like the book cuts off at 89 so this shop manual will not work for your motor https://www.amazon.com/Mariner-Outboards-Cylinders-1977-1989-Tune-Up/dp/0893300152 On the other side, timing this motor is a...
  13. N

    1988 30HP Timing

    To anyone who sees this in the future. I bought the seloc repair manual for these motors. tons of good info In there for timing. Will be doing it soon
  14. N

    1988 30HP Timing

  15. N

    1988 30HP Timing

    I believe i have a 1988 Mariner 30hp 2 cylinder 2 stroke with a single carb that i cannot get to run good for the life of me. Compression is 130/125 i just rebuilt the carb and added a new fuel filter. Running 50:1 mix. I cannot find a manual online on how to time and set a good base for the...
See more
Top