Reply To: Weak spark on 1973 20 Hp Johnson

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July 23, 2020 at 11:39 am #209535
Evinrude 25
Participant

    Is it possible to gain 5 hp more when installs a 25 hp carburetor on 20 Hp? I saw a 25 hp carb on sale “JOHNSON EVINRUDE 25 HP 385815 CARBURETOR 1973 TO 1976 YEARS GOOD CORE 2 REBUILD”. It is interesting to know if it is just simply swap the Carb or more things involved to get additional 5 Hp.