merc 20 hp serial number 5769774
W wilde1j Vice Admiral Joined Apr 15, 2002 Messages 5,964 May 23, 2005 #2 Re: Year, shaft lenght of this motor please For shaft length, measure from cavitation plate to horizontal part of mtg bracket [where it rest on top of transom]. Try s/n on Mercury Parts Express web-site ... it'll tell you the model and year.
Re: Year, shaft lenght of this motor please For shaft length, measure from cavitation plate to horizontal part of mtg bracket [where it rest on top of transom]. Try s/n on Mercury Parts Express web-site ... it'll tell you the model and year.
