Reverse scares me!

Discussion in 'Outboard Maintenance' started by logandorn, Dec 1, 2010.

  1. logandorn

    logandorn I Love!

    When going in reverse the motor shakes rapidly and i honestly feel as if the transoms going to rip off eventually?

    any idea in what it could be?

    thanks lots

    btw its a 1992 johnson 40hp(not tiller)
  2. noeettica

    noeettica Well-Known Member

    Hmmm the 'Ol "Shaky Johnson" Syndrome ...

  3. logandorn

    logandorn I Love!

    is that seriously real or made up?

    Any ways of fixing it
  4. Frank_Sebastian

    Frank_Sebastian Well-Known Member

    I have no idea what could be causing it from what you have said. I will say that the through hub exhaust keeps outboards from having much power in reverse. How fast are you trying to back up?  If slow and you are getting a "vibration" does it seem you may be hitting something even though you know you are in deep water? The shift dog could have rounded off edges and be jumping in and out of gear. This usually only happens in forward, but the dog could be reversed in the older engines. No good reason for doing so other than the cost of new dog and gear.

    Best regards,
  5. Brett

    Brett > PRO STAFF <


    Loose prop, nut backing off, worn gears, worn clutch dog
    shift rod out of adjustment, exhaust related ventilation
    Tilt lock not engaging when in reverse,
    prop pulls engine away from the transom
    then slams back when it ventilates.
    Worn out rubber mounts

    Can't think of any others... :-?
  6. mark_gardner

    mark_gardner I Love!

    how does she feel when its in forward? i would pull the prop and check the prop shaft for runout, check the prop for bent blades or any other visual damage, inspect the mounts and make sure shes secured tight to the transom
  7. logandorn

    logandorn I Love!

    runs extremely smooth if foward. I dont really use reverse much anyways so if its too expensize ill pass
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