I'm looking at 2006Merc XS......my first question is it says optimax on the cowling I'm not familiar with mercury motors but i thought XS an Optimax were two different motors that mercury made...my second question is i need any input on these motors......if guys have been having problems with them or there pretty bullet proof.......always use to be a evinrude guy but after so many lower units its time for a change..............any info on this motor would be appreciated.......I'm Torin between two different motors....![]()