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Outboard - Change Water pump or just impeller
This will be the first of 100s of questions I will have over the coming weeks as I slowly start to re-assemble my first sailboat that I slowly disassembled last fall!
Anyway, I need to buy an outboard, and a friend has an 8 hp Evinrude Yachtwin from 1989. However, when running, it does not pump very much water according to him. Would I need to replace the whole water pump or just the impeller? Not holding anyone to anything, but would it be worthwhile to try and just change the impeller before I change the whole pump?
My buddy isn't mechanically inclined,so he is of little help. How hard can this be? A few hours work if I have the manual?