4winnsskipper
Petty Officer 1st Class
- Joined
- May 9, 2007
- Messages
- 204
Everytime i put the boat in for the first time for the day, i start motor, it starts then stumbles/dies. I end up having to start the motor on fast idle and let it sit there for a few minutes before i can return the throttle to neutral (true idle). Then when i go to shift to leave the dock the motor bogs down and dies. I then can restart again on fast idle, let it warm up even more, then it will go into gear, drive for a few more seconds, then die again. Restart on fast idle, then goose it a little then after 5 minutes or so of monkeying around lookin like an a-hole at the dock, its like the motor instantly starts running just fine, and will run like new the rest of the day including from rest to full throttle runs, full throttle, part throttle, everything, it runs flawless, i can even troll all day at idle without it missin a beat. it does this every time.
Just this year the motor has a brand new fuel/water separator (mercury brand), new quicksilver fuel primer bulb (installed the right way, triple checked), all new fuel line from tank nipple to fuel water separator in the motor, and i drained the whole tank, tested for water in a mason jar, no water. refilled with fresh gas, no improvement. I also tested all cylinders for spark, all had spark. Compression is 125 psi on all cylinders. Also has new spark plugs and spark plug wires this year...
the only thing that seems odd to me is that no matter how many times i prime the primer bulb, it never stiffens up like it does on the other outboards i've had, you can just keep squeezing it and it never stiffins up, which is why i replaced the bulb with a new one, and that didn't change it...its quit odd not sure thats normal but the only thing that seems odd to me, everything seemingly checks out. my gut instinct says the mechanical fuel pump in it is going out, as i tested the electric high pressure one and it runs just fine, and if it didn't the motor wouldn't run at all, i would imagine.
Thanks for help in advance guys...
Just this year the motor has a brand new fuel/water separator (mercury brand), new quicksilver fuel primer bulb (installed the right way, triple checked), all new fuel line from tank nipple to fuel water separator in the motor, and i drained the whole tank, tested for water in a mason jar, no water. refilled with fresh gas, no improvement. I also tested all cylinders for spark, all had spark. Compression is 125 psi on all cylinders. Also has new spark plugs and spark plug wires this year...
the only thing that seems odd to me is that no matter how many times i prime the primer bulb, it never stiffens up like it does on the other outboards i've had, you can just keep squeezing it and it never stiffins up, which is why i replaced the bulb with a new one, and that didn't change it...its quit odd not sure thats normal but the only thing that seems odd to me, everything seemingly checks out. my gut instinct says the mechanical fuel pump in it is going out, as i tested the electric high pressure one and it runs just fine, and if it didn't the motor wouldn't run at all, i would imagine.
Thanks for help in advance guys...