lower unit oil question

[bluevein]

I have pretty much owned every brand out there at one time or another.
When I changed lower unit oil, it always came out looking just like it went in.
My 2017 L4 200 V-rod, drains black as coal. Every time.
This time I even put some in a jar to see if there was any separation.
After two days, none.

Is this a common Merc thing? Just curious. thanks.

[EuropeanAM]

Yes- and it's more prominent where they're running at elevated heights.

Make sure you're using the Mercury or Quicksilver HIGH PERF lube.

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