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Johnson 88 with rounded drive shaft

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  • Johnson 88 with rounded drive shaft

    My 1990 Johnson 88 started skipping under load so I assumed the old stainless steel propeller needed to be re-hubbed: 50$ later I am out for a ride with my freshly machined propeller and everything stopped as the engine raced into neutral (even the water pump quit).

    I got it to the Kilkenny Marina via the kind folk at SeaTow and when I got it home I pulled the foot to find that the top of the drive shaft was completely rounded. I have attached a picture of it. Any advice is coveted. How do I best determine if the base of the crankshaft that the drive shaft plugs into is also rounded off and bad without buying a new shaft and testing it (and ideally without embarking on the two-person wrestling-struggle of to trying to pull the head off the engine without a hoist)? Any recommended tricks are coveted.

    Is my old Ashcraft a pending donation/tax exemption? The Johnson 88 sits on a 1979 17.5' Ashcraft and while old, it worked wonderfully before this mishap. I hate to see it go but the kids will miss it more because nearly every time I planned to fish, I ended up taking them out instead.
    Attached Files
    Last edited by ZooCreature; 06-03-2014, 09:53 AM.

  • #2
    Crankshaft is probably in same shape, would need to pull engine to see crank splines.
    Regards
    Boats.net
    Johnson Outboard Parts

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    • #3
      I opted to play the lottery with it and have the head pulled to see. At least it has stainless steel bolts (1990) so while heat is surely needed, drilling probably is not needed. Fingers crossed.

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