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  1. #1

    Default piston replacement on 1977 85 hp evinrude 85793s

    do I have to pull the powerhead in order to remove the pistons

  2. #2
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    13,662

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    Yes, the engine has to be removed from the exhaust housing to do a proper job.

  3. #3

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    Quote Originally Posted by racerone View Post
    Yes, the engine has to be removed from the exhaust housing to do a proper job.

    thank you

  4. #4

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    should I purchase a rebuild kit

  5. #5

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    or should I get each part from marine engine as they do not sell kits of this kind

  6. #6
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    13,662

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    Take it apart first.------Then inspect and plan the repairs.

  7. #7

    Default Re: piston replacement on 1977 85 hp evinrude 85793s

    thanks for all of your help I have four boats and love doing as much of the work myself as I can however this will be my first rebuild other than being a parts cleaner for my dad

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