2007 300 XS SN#1E002970, I'm searching for a replacement lower unit, can someone explain fat shaft? I'm seeing a few for sale with a fat shaft and some without. How can I tell if my current lower is a fat shaft? Would this be beneficial in a bay boat?
1;25 prop shaft uses metal prop hub best for higher mounted engines / not in my opinion
.................................................. ...the scariest thing in life is the unknown ...................................
Older LU's have a smaller diameter shaft. And require a different prop hub.
Not sure but I believe they changed over to the bigger shaft about your year model.. You need to find out which one you are replacing or your props may not fit.
true and most all those had 2 piece drive shaft that rusted in seal area below w/pOriginally Posted by fishnfireman
.................................................. ...the scariest thing in life is the unknown ...................................
yes they did !!
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