Measuring Mercury/Mariner Driveshaft Length

To obtain length, measure from the top of the gearcase housing (base of the water pump plate) to the top of the shaft.
"L" driveshafts measure 23"
"XL" driveshafts measure 28"
"XXL" driveshafts measure 33"
MYG307N - Mercury/Mariner 3-Cylinder 70-90HP 1987-2006
MYG304R - Mercury/Mariner 3-Cylinder Bigfoot 60HP 1995-2007
MYG313N - Mercury/Mariner 3-Cylinder DFI (Optimax) 75-115HP 2004-2014
MYG402R - Mercury/Mariner 4-Cylinder "L4" 100-125HP 1988-2006
ME-G4-15-N - Mercury/Mariner 4-Cylinder 4-Stroke 150HP 2011-2015
MYG408R - Mercury/Mariner 4-Cylinder 4-Stroke 75-115HP 2000-2015
MYG411N - Mercury/Mariner 4-Cylinder Verado 135-200HP 2006-2015
MYG618N - Mercury/Mariner 6-Cylinder Verado 200-300HP 2005-2015
MYG623R - Mercury/Mariner TorqueMaster 225-250HP 2005-2013
MYG608AN - Mercury/Mariner V6 1.87:1 Gear Ratio 150-200HP 1979-2015
MYG605AN - Mercury/Mariner V6 2.00:1 Gear Ratio 135-150HP 1979-2001
MYG616AN - Mercury/Mariner V6 3.0L 200-250HP 1994-2015