GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
also the welch plug (freeze plug) has two sets of numbers on it usually.
top number is model
Bottom number is serial number
try this link http://www.brokeboats.com/omcid.html
It tells you a Mercury outboard question shouldn't be in a Johnson/Evinrude thread, especially one that has been inactive for over 12 years. Start a thread.