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  1. W

    Flywheel key or not? (Merc)

    I have a 1982 90HP mercury, Motor #211871,S.R.#Z06187290, distibutorless system that I suspect does not have a flywheel key, I was told if the flywheel key was not sheared ,the only other thing that could cause the flywheel to be out 90 degrees timing is the swithboxes to be plugged in 90 out...
  2. W

    82 merc 90 HP (Timing out)

    My 1982 mercury 90HP has jumped timing from the 6:00clock position to 1:00clock. It was running on the muff prior to this time jump thing,has no flywheel key and is a distibutorless type system,any and all help will be appreciated.Thanks
  3. W

    Jumped out of time

    1982 merc 90 H.P.inline 6, Engine has jumped timing marks from 6:00 clock position to 1:00 clock position looking from front of engine.Will not start,was running ok on muff before this time jump thing.I turned flywheel clockwise until piston was 0.464 inch(12mm)BTDC". pointer was aligned with...
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