1997 150 Evinrude Intruder surging at idle???????????????

Joined
May 29, 2011
Messages
65
i still trying to troubleshoot an issue i am having with the engine. lets try figuring out why it is surging at idle after being on the lake for an hour or a lil more....i have eliminated all possible issues before the motor(fuel lines, filters) ive also put a brand new fuel pump on also....so could a carb do this or electronis?...runs fine for a while then acts up..also if i prime bulb were its rock hard its fine for a short time
 
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