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  1. R

    Low end power

    I have a 1978 Evinrude 70hp on a 15' tri-hull, the boat brand is Dynamaglas, it is also a 1978. The motor starts and runs great, but seems to lack power out of the hole. Takes a long time to plane with two grown up and a 71lb child on board. It seems like the rpms take a long time to build...
  2. R

    evinrude 70 hp

    I had trouble getting boat to plane, so i raised the motor two notches. Now it no longer rests on the top of the transom, but is about an inch above. Do I need to put in some kind of spacer to fill the gap.
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