The model number I have is 4R710 and the serial number is E3371003.
A anthonyh821 Cadet Joined Jun 23, 2002 Messages 11 Jun 25, 2002 #1 The model number I have is 4R710 and the serial number is E3371003.
P Peter O Petty Officer 2nd Class Joined Sep 23, 2001 Messages 178 Jun 25, 2002 #2 Re: What year is my 4hp Johnson? It's from 1971.
