1986 Merc 90HP fuel issue

Mach1Boater

Cadet
Joined
Apr 15, 2012
Messages
16
I have a 1986 Merc 90hp that I can prime up the ball will get hard then i will start the motor it will run the fuel out of the carbs and line. any idea??? i was thinking the pulsator isnt working correctly but i dont know.
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: 1986 Merc 90HP fuel issue

Make sure all your fuel lines are soft and pliable (no cracks). Make sure tank vent is open. Test the fuel pump.
 
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