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I need to replace my lower unit housing and some people have told me most alpha ones were the same and some have said the opposite. I went to Mercruiser website and they do show a different part number for the R than the MR. I think I found a good deal on a used one, but I want to make sure it's...
I'm asking this question on my cousin's behalf. He has a 1974 Silverline with the Merc. 888. It has the Ford 302. When running the boat at about 4000 RPM's and trimmed out the motor gets warmer than normal very quickly, but not overheating. It will cool back down by simply trimming the outdrive...