Mercury 15 HP

1dino

Cadet
Joined
Feb 24, 2003
Messages
9
Starts good and take off Is good but about the time you get It plain out good It will die down<br />all at once to about a 1/4 speed but my throttle<br />wide open . it never cuts off just cuts back .<br />after pumping the bud you can plain off again for<br />alittle while befor It dose It again . what wrong with It need some addvise ./df
 

Navigator

Chief Petty Officer
Joined
Feb 6, 2001
Messages
517
Re: Mercury 15 HP

Dean,<br />If pumping the bulb rectifies the problem, at least temporarily, then its a fuel delivery problem. The most likely cause is a damaged diaphram inside the fuel pump. Its easy to replace, should only take about 15 minutes. <br /><br />Also, make sure your fuel tank is vented properly. A fuel tank that is not vented will cause the same problem.<br /><br />Nav :cool:
 
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