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Mercury Outboard Retaining Nut Wrench — image 1
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Mercury Outboard Retaining Nut Wrench

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3D printed replacement for part number 91-91947 wrench.

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Model information

Category
Tools
License
Creative Commons — Attribution

Works to remove and install the retaining nut on Mercury outboards lower unit. Use a large crescent wrench to turn the tool. Replaces part number 91-91947 wrench. Works for retaining nut 11-87763.

Tested specifically on a 1996 40hp Merc.

I recommend having a wall line count of 6-8 and at least 15% infill.

Copied from my profile from thingiverse: Mercury Outboard Retaining Nut Wrench by Jarhead120 - Thingiverse