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  1. #1

    Default Torque specs for 1996 90HP Force

    Hi, is there someone who could tell me the torque specs for the following on a 1996 90 HP Force:

    1. The main crank bearing cap screws (for the piston connecting rod cap screws).

    2. The cylinder head bolts, the 5/16" bolts that go through the water passage cover & head into the block. Is there a progressive torque on these and a pattern?

    Thanks,
    Biederboat

  2. #2
    Supreme Mariner roscoe's Avatar
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    Default Re: Torque specs for 1996 90HP Force

    Starting in 1996, (serial number 138600 and up) they did not give a head bolt torque spec.
    Instead, they tell you to oil the threads and the underside of the bolt head.
    Then tighten then in sequence till you reach 120 in-lbs, and then give each bolt an additional 1/4 turn.

    The sequence, starting with the two center bolts, move in a counterclockwise circle, moving out 1 bolt per revolution.

    Connecting rod spec is listed 2 different ways in my 2 manuals.
    One says 120 in-lbs, then an additional 1/4 turn.

    The other manual says 170 in-lbs.

    So double check these numbers before you take my word for it.
    Manuals are cheap, mistakes are expensive.

    PADDLE FASTER I HEAR BANJOS

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