s/n 4361242 mercury 50 hp thunderbolt any help on year?????
F ford115 Recruit Joined Sep 16, 2003 Messages 1 Sep 17, 2003 #1 s/n 4361242 mercury 50 hp thunderbolt any help on year?????
roscoe Supreme Mariner Joined Oct 30, 2002 Messages 21,821 Sep 17, 2003 #2 Re: mercury year problem 500 (50hp) sn 4357640 - 4576236 1976 4 cyl
