Saturday, December 26, 2009

Gear oil capacity in ounces for 1999 mercury 25 hp 2-cylinder 2-stroke?

I changed my gear oil and it didn't take as much as I expected. I know to fill from the bottom up till it runs out the top hole, but maybe I have an air bubble in it? It only took 10 ounces.Gear oil capacity in ounces for 1999 mercury 25 hp 2-cylinder 2-stroke?
That sounds about right. If you filled from the bottom until it ran out of the top hole marked ';vent'; then there is no way you have an air bubble.Gear oil capacity in ounces for 1999 mercury 25 hp 2-cylinder 2-stroke?
My 97 - 90 hp doesn't take a lot more than that - maybe around 16 oz
It's not a very big gearbox.


You can't put a quart in a pint pot!

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