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  1. K

    Powerhead interchange question.

    I own a 1975 Evinrude 135 HP v4 (model 135489-B). This is a mechanical shift motor. <br />I am looking at a powerhead replacement for that and would like to know if this unit will interchange. I'm looking at a 1971 Evinrude 115 HP v4 (model 125183-G) with Electric shift. The powerhead looks...
  2. K

    Standard or Low Octane (Low Compression) Head Gaskets?

    I have an 1974 Evinrude 135 HP v4 that I've been troubleshooting several issues on with the help of this site and now I have a new question. <br /><br />My head gasket on the starboard side started leaking water badly and it needs replaced. When I went to a local marina to order the parts they...
  3. K

    Evinrude 135 HP v4 timing question: IE how to without a wheel.

    You may have this covered in a FAQ somewhere but I don't have time to research for the correct answer.<br />I have an 1974 Evinrude 135 HP v4 (135489b) and I have to set Maximum Spark Advance. I do not have access to a wheel and tank setup but I can take this to a lake and test on a trailer.<br...
  4. K

    Evinrude 135 HP v4 intermittent spark on one cylinder.

    I have an Evinrude 135 HP v4 (135489-b) and I have recenly replaced (in this order) : the rectifier, stator, and power pack. <br />The rectifier shorted and blew the power pack.. So I replaced them and now I have an intermittent spark problem on #1 cylinder and only on the #1 cylinder. <br...
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