1988 Johnson 8 hp torque

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  • Colin


    Replies: 0
    Topics: 1
    #260006

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


    billw

    US Member - 2 Years
    Replies: 1758
    Topics: 53
    #260067

    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!


    crosbyman

    Canada Member - 2 Years
    Replies: 2777
    Topics: 273
    #260077

    see charts   go with bolt size

     

    Joining AOMCI has priviledges 🙂

    • This reply was modified 1 month, 2 weeks ago by crosbyman.
    • This reply was modified 1 month, 2 weeks ago by crosbyman.

    billw

    US Member - 2 Years
    Replies: 1758
    Topics: 53
    #260129

    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 month, 2 weeks ago by billw.
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