That is a McGard drive lock nut, and look in the glove box for the key. If its not there contact McGard or it needs to be cut off
https://www.amazon.com/McGard-74018-Marine-Single-Thread/dp/B0016H3Q7A
Looking at the Amazon page, are all the keys the same? Meaning buying the whole kit to just get the key.
no, there are about 50 different keys for security reasons. only Yugo had one key for all their locks they ever made
Would have to cut the outer collar, but first.... Have you looked in the glove box or asked the person/dealer you bought it from?
I took a picture of mine and sent it to McGard. They sent me another key.
Since you have a drive guard, does the prop have one?
:rofl:
Just thought I'd ask so when you went to grease prop splines you wouldn't make a lump on your forehead. :doh:
How many times have we had guys pop in about those things because prior owners lose the keys? Which begs the question - How did the PO maintain the drive or the rest of the boat?