1986 Mercury 9.9 Fuel issue

Briandm

Recruit
Joined
May 30, 2009
Messages
2
I have a 1986 Merc 9.9 that seems to not get fuel. I can get it started but it bogs down when I give it gas. Sometimes it just stalls when it's idleing. The bulb is not staying hard and I have to pump it to get fuel into the engine. Sometimes if I squeeze the bulb real hard it sounds like something unclogs and the motor will be fine. I have rebuilt the carb and bought a new bulb and hose and it has a new power pack. Any suggestions would be greatly appreciated. FISH ON!
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: 1986 Mercury 9.9 Fuel issue

Rebuild your fuel pump. Note that the bulb does not stay hard while the motor is running as there is fuel flowing thru it. However, it should not collapse.
 

Briandm

Recruit
Joined
May 30, 2009
Messages
2
Re: 1986 Mercury 9.9 Fuel issue

Thanks for the info. Do you know where I could find info on rebuilding the pump? Maybe a diagram or something.
 
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