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Mercury Mariner 99 pump impeller replacent

D

dicarlo

New member
"hello all,
I have a 9.9 mari

"hello all,
I have a 9.9 mariner two stroke, Im guessing 89 90 vintage, runs great, no problems at all
yesterday , no water spouting out of the engine while it was running,
guess I need a new water pump,
can anybody give me an idea of what to do, Ive changed pumps before, just was wondering if theres anything differnt , do I have to disconnect the shifter rod that runs through to the bottom, ?? any help would be appreciated
thanks"
 
"Yes, if you have the model ye

"Yes, if you have the model year close, and this is a Merc Mariner (as opposed to Yamaha) you have to disconnect the shift shaft. It is held on by a clip located "under" the powerhead.

You can barely see it, located behind the carb, but a pair of needle nose pliers make it easy to remove. If this is an electric start model, you have to remove the starter to get at it.

Then, the lower unit is held on by 3 bolts. Two beneath the cavitation plate and one at the front of the lower unit...."
 
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