500hp mercury outboard
#3
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Joined: Sep 2015
Posts: 55
Likes: 14
I live in Panama City, FL and Mercury has a test facility here and they have been running/testing more than usual lately. I saw a single what looked like a 400R on the back of a 27+ foot Velocity hull and it was moving. They are testing big outboards a lot more than usual lately so I would not be surprised if this is accurate. I would not think its a whole new motor, likely a 400R with more power. I will try and get some pics when Im out tomorrow, but the test drivers get pissy when I run too close to them.
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