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Water pump replacement

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rowdyredneck

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"I want to replace the water p

"I want to replace the water pump on my '96 Mercury 60 horse outboard. Its still pumping water, but the discharge stream doesn't seem as strong as it should be. I have both the service and parts manual and I feel comfortable enough to tackle this myself, but I had a question on the kit.
Most of the kits I've found online whether OEM or aftermarket don't show the O-ring for the water pump base and the oil seals below it being included. The part number for my kit is 46-812966A11. Is it normally necessary to replace these items, or are they included in the OEM kit and just not shown in the picture? I did find one place that shows a picture including the O-ring and seals:
http://www.bountymarinedistributors.com/12095-CompleteWaterPumpKit/"
 
"Most of the Merc kits DO NOT

"Most of the Merc kits DO NOT include the seal for the waterpump cover. They may have the impeller, base gasket, base plate, possibly the water guide tube and sometimes an oil seal (shaft seal), but in most cases Merc considers the cover and it's seal a separate item.

The kit you have the link to shows the cover included and would suspect that you will find the big o-ring pressed in where it belongs..."
 
"Thanks. I don't know the

"Thanks. I don't know the history of this motor since I bought it used, so I'm not sure if anything has ever been replaced. It is still pumping water but the discharge stream is rather weak. Do you think I could get by with just the impeller, or would it be wise to replace everything as a kit? I'm not sure what the norm is for water pump service on these motors."
 
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