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Old 27 November 2006, 05:34   #1
mdt
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Power Trim Top up

Had a load of hassle with the PTT at the weekend and had to drain some of the fluid out of it, I undid the plastic thump nut to try and bypass the hydraulics. (it is a Mercury 4S) and I can’t find out where to top the fluid back in. ???

Also I am assuming that car power steering fluid is the stuff to fire in? Once one of you kind chaps point me in the right direction.
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Old 27 November 2006, 07:46   #2
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I can't answer off the top of my head right now, but will look at the Manual when I get home. As for the fluid, I'd use the genuine quicksilver stuff, as the viscosity and makeup might be different for power steering oil.
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Old 27 November 2006, 13:26   #3
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What model of Mercury 4 stroke is it?
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Old 28 November 2006, 02:46   #4
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4ish year old 25hp Big foot

thanks for the help.


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Old 28 November 2006, 08:07   #5
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Thought it might have been a bigun, my manual is for 75hp+ but I would guess that the resevoir would be next to the ram and that the fill point would be at the top of that. Trim up as far as possible, if you can't get it up you'll have to switch to manual and lift it and chock it. Undo the fill screw (on mine it's yellow) and top up with Quicksilver (recommended) or in an emergancy Dextron III car oil untill it just starts to dribble out.

Hope that's some help.
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