I have a 25hp evinrude outboard motor

[gwljet]

Well when im at full throttle sometimes it starts surging like its running out of gas.So if i back it down to about 1/4 th throttle it will smooth out,but when i gas on right back the the hesatation.primer ball hard.Help please.

 

[racerone]

Is this a 1953 ?----A 1970 ?----A 1995 ?---A 2012 ?----All different.

 

[gwljet]

Is this a 1953 ?----A 1970 ?----A 1995 ?---A 2012 ?----All different.

1990