New fuel pump?

alloycowboy

Cadet
Joined
May 30, 2011
Messages
20
Ok... i have a mariner 25. New plastic gas tank, new lines, new bulb(which is in the right direction), new inline filter. It will run at WOT for about 2-3 minutes then die. It will start right back up. But, I can run at 3/4 throttle all day. Today on the water it started to act up and couldnt put the throttle past 1/4 or it would die. Then after about 20 minutes of that it would run at WOT for about 15 minutes. Any clue? I think its a fuel pump problem...
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: New fuel pump?

I would rebuild the fuel pump and be sure to include the check valves. The kit from Merc include new style check valves and instructions for installing them.
 
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