Originally Posted by Comodave
I just had my mechanic put in new raw water pumps on my 6CTAs. The port one is really tough. Formula put a small access hatch from the aft cabin but it was tiny. I cut the bulkhead open for a much larger hatch and the mechanic was able to get to the pump and change it. I went with a new Seaboard Marine SMX pump to replace the OEM Sherwood crappy pump.
I did the same upgrade on my previous boat. Never had to touch the pump again. 7 years, except for the impellers of course.
I have sold that boat last spring. I have some extra impellers around if any one is interested.