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Ok, I was stupid. should have pinned the carrier in addition to red locktite on bolts.
Looking for 1.62 gears, shaft, carrier etc for Merc 60/52 cu in.
Lost these and #1 prop, Grrr.

Tom, as you know the gearcase is a real problem with the small foot 60/52 cubic inch Mercury. Its difficult to find good used parts and new parts are very costly. I suggest you widen your options and also look for 1:8 ratio. That ratio was on some of the other models.

Thanks for the advice. Hoping to see a few options this week. Been surfacing this one for 6 years, guess I shouldn't be surprised.
Only 1.83 lower I see in the manual is for 40/50 3 cyl.
Big Foot models are 2.31
Regardless of model I'm gonna pin next one as carrier isn't threaded and if nothing presents itself I'll park it or get a different motor. Yamaha or Tohatsu being at the top of the list.

The 4 stroke case is different, but, they also have the same gear ratios and I would think they are the same parts.

Think I'll let someone with extensive lower unit experience tackle that experiment. A man's gotta know his limitations.
If I can't find a direct replacement then I'll go to Plan B.

The Yacko's do very well with their mercs, often winning against sst60 power. They probably have gearcases.
https://www.facebook.com/james.yacko

I know them... I bought the hull in FB pics from them.
Weren't they running SST60's originally?

Jim and Kyle started out in Bandit with 40 mercs. The now run 2 of Todd's Aquarius's with modified mercs in x-class the year after we stopped racing and gave our old boat and another sst60 a run for the money, but our old boat prevailed !
https://apbashop.com/products/02005-pro ... -june-2020