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    1974 Johnson upgrade to 90 ETEC?

    I currently have a 17' Lund aluminum fishing boat with a 1974 Johnson 85hp, the motor runs well but is quite old, I was thinking about getting a newer etec 90 for more reliability, a little more power and increased top end speed. (the boat is rated at 90hp) What do you guys think?
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    timing light tach question

    I have a timing light with an attached digital tach:confused, This tach is calibrated and designed for four cycle operation would this work on my outboard? would I have to divide the rpm's by 2 to get a corrct 2 cycle reading?
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    1974 Johnson 85hp thermostat

    Where is the thermostat on my 1974 85hp Johnson and how difficult is it to replace?
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    a Joe Reeves technical question

    Joe, I made the mistake of buying the computer disk version of my repair manual and many things are unclear. On a 1975 Johnson 85hp to perform the pickup timing throttle cam follower adjustment the disk says to line the embossed line with the cam follower at 4 degrees I understand all of this...
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    1975 Johnson lean pop?

    I have a 1975 Johnson 85 the compresion is good, spark is good, thoroughly cleaned both carbs, yet still I have a pop through the carbs (only occurs at idle) that is hard enough to kill the engine. It restarts immediatly untill the next sneeze or pop. There is a high speed and low speed fuel...
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