Recent content by TinMan56

  1. T

    troubleshoot lightning energizer ignition

    I have a 69 merc 650 with "lightning energizer" ignition. It ran very well till after a long run the other day. After stopping then sitting at idle for a bit, it would no longer accelerate the boat past 7 MPH, WOT. Compression is 120# and equal on all 4 cyl. motor starts easily and idles...
  2. T

    69 mer 650 suddenly no power WOT

    I have a 69 merc 650 that has run great for years. Suddenly after a long high speed run (about 5000 RPM) after stopping at idle for a minute when we went to take off, no power, instead of 35 MPH we get 7 mph and about 3000 rpm max or less. Starts easy, idles good, does not miss or sputter. At...
Top