R robert Active Member Joined Mar 16, 2005 Messages 315 Points 16 Location Las Vegas Feb 3, 2014 #1 Are lower units for a merc 250XS and a merc 300XS interchangeable?
9 90 5.0 Active Member Joined Jul 23, 2010 Messages 337 Points 18 Location Atascocita,Tx Feb 3, 2014 #2 yes
