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STD or opposite rotation gearcase?
I bought a spare 2003 optimax 200HP S/N OT775873. It does not have a prop and is bolted to an outboard pallet. Are there markings on the gearcase that indicate its rotation?
I found "S-2-A-1" on the gearcase but that's all I could find.
On this gearcase the oil drain plug is NOT located /hidden behind prop.
Thanks
Last edited by Another Distraction; 11-26-2021 at 06:14 AM.
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Mercury 3L/4 Stroke/Verado Moderator
That’s because it’s an earlier (Servicemaster) Gearcase.
I can double check Monday, but if you pull and push on the prop shaft, the RH (standard) Gearcase has about 1/4-3/8” movement.
LH usually does not.
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Thank you. The prop shaft moves. :)