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  1. M

    Motor Rebuild

    I am rebuilding a Johnson Motor, would appreciate suggestions on the following questions.<br /><br />The aluminum block has a heavy build-up of carbon and varnish, what is the best solution to soak it in?<br /><br />When I reassemble the needle bearings in the rod/crankshaft connection, what is...
  2. M

    Year of Johnson Motor

    I have a 25 hp Johnson Motor, the plug on the motor indicates E3162177. Can anyone help me with the year of this motor?<br /><br />Thanks!<br />Mark
  3. M

    Motor Year

    I have started work on a Johnson 25 hp motor, model 25R6D9. Can anyone help me determine the year of this motor where I know what shop manual to purchase?<br /><br />Thanks!
  4. M

    Locked Johnson Motor

    I have a Johnson 25 hp motor, I think about a mid-70's model, that has locked-up. I have disassembled it down to the power head, and would appreciate any suggestions on the best way to separate the crankcase halves without causing damage to the aluminum case.<br /><br />Thanks!<br />Mark
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