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    1977 Johnson 70HP Control Box Schematic

    This is a continuation of a post last year. Obviously, I have not made much use of this motor.<br /><br />I installed a tach last year and had to take apart the control box to do this. Having a case of the stupids, I forgot to mark how the linkage inside the control box went together. Since...
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    1977 Johnson 70HP Power Loss when accelerating

    I have just installed a Teleflex Tachometer on my 1977 Johnson outboard and think I installed it properly. To do so, however, I had to disassemble the remote control box to access the wires. There was no plug in for a commercially available wiring harness.<br /><br />After reassembly, the motor...
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    1977 Johnson 70HP Power Loss when accelerating

    I have a 1977 Johnson 70hp which looses power when throttling forward. It seems to idle O.K. although not quite as smooth as I would expect. I use the motor May 11 of this year and had this problem. I swithed gas tanks and everything seemed to work fine.<br /><br />I have now put new gas in the...
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    1977 Johnson 70HP Control Box

    I am installing a tach for a 1977 Johnson 70 HP outboard.This process which required me to disassemble the control box. This was easy, at least I thought it was. It split in two halves and appeared to be in good shape. I then saw a small ball bearing which rooled around in one of the halves. I...
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