I just purchased a 1970 Evinrude 6 hp, mod #6002B, runs and starts great, only problem is it dosn't pump water at idle. last owner said had impeller replaced. pumps good at higher rpm. I removed lower unit to inspect pump, impeller housing is pitted bad in spots, is this likely cause of my low rpm water pumping problem? gromets and water pipe are good.
Thanks for the reply, that is the only thing I can come up with, so I already ordered new housing and impeller. At least these things are easy to work on, Dont want to ruin this motor, it shot a cloud of steam when speeded up rpm's and pump re primed, hopefully did not damage any thing.