1988 Johnson 8 hp torque

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  • May 17, 2022 at 11:39 pm #260006
    Colin
    Participant

      Can anybody advise me what the correct head bolt torque pressure should be on a 1988 Johnson 8hp please ?

      May 19, 2022 at 5:44 am #260067
      billw
      Participant

        US Member - 2 Years

        I’ll get that to you tonight, if somebody doesn’t beat me to it! My books and I are not always in the same place.

        Long live American manufacturing!

        May 19, 2022 at 9:39 am #260077
        crosbyman
        Participant

          Canada Member - 2 Years

          see charts   go with bolt size

           

          Joining AOMCI has priviledges 🙂

          • This reply was modified 1 year, 11 months ago by crosbyman.
          • This reply was modified 1 year, 11 months ago by crosbyman.
          May 20, 2022 at 6:26 am #260129
          billw
          Participant

            US Member - 2 Years

            Head torque should be 145-170 inch pounds. It should be checked again after it’s been run and cooled down.

            Long live American manufacturing!

            • This reply was modified 1 year, 11 months ago by billw.
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