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Water pumplower unit

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brucel

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"I have a mercury 50, 3 cyl, m

"I have a mercury 50, 3 cyl, model 87 and want to replace the water pump. I've bought 2 manuals and can't find good, step by step info on the lower unit. Any help?"
 
"Factory manuals are the best.

"Factory manuals are the best. Simply put the lower in forward ,remove the nuts that hold the lower unit including the one under the trim tab. Replace the impeller and reassemble with the lower in forward."
 
"I need to replace the waterpu

"I need to replace the waterpump in a merc 150 (15 hp 1960 model). I have found a impeller but having no manual, am having problem getting the old impeller out. I have removed teh lower unit, pushed out the shaft. Now it appears that I need to remove the shaft bearing that evidently is immediately below the impeller. Can anyone tell me if the bearing is locked in place with a jam nut, and is it a CW or CCW thread.

thanks, bjr"
 
"If that's one of those au

"If that's one of those auto tranny motors (and I suspect it is), then you have a real nighhtmare on your hands. (Is the prop a left hander? If so, it's an auto tranny job.) Removal of hte water pump requires special tools, a manual, and tons of patience.

Good luck!

Jeff"
 
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