Can any body tell where I can find a diagram for mid 50"s 5hp johnson, got this motor yesterday cant even find the list # on it anywhere to find out what year it is, all I know its green and the tank is on topp, the carb is off and in pieces need to know if I have all of it there and how it goes back together has spark, I would put a pic of it but not sure how to download here.Thanks for any help anyone can give Brian