1988 Johnson 8 hp torque

This topic has 3 replies, 3 voices, and was last updated 3 years, 10 months ago by billw.

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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
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
JACQUES
Participant
see charts go with bolt size

Joining AOMCI has priviledges 🙂
- This reply was modified 3 years, 10 months ago by JACQUES.
- This reply was modified 3 years, 10 months ago by JACQUES.
May 20, 2022 at 6:26 am #260129
billw
Participant
US Member
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 3 years, 10 months ago by billw.
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