1984 mercury 25hp fuel pressure problem

Mcgaylor

Recruit
Joined
May 21, 2012
Messages
1
Boat will sit and idle fine. But when u take off u have to keep pumping the bulb to keep it running
 

oldman570

Lieutenant Commander
Joined
Mar 25, 2011
Messages
1,615
Re: 1984 mercury 25hp fuel pressure problem

Replace the fuel line from the fuel filter to the carb with clear gas line and watch for air bubbles. If air bubbles are there you have a leak from the carb back to the gas tank. If no air bubbles then the pump and carb need to be cleaned or rebuilt.
Oldman570
 
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