Another useful and enjoyable link to a massive amount of history, information and even performance outboard manuals and special articles on the internet.

Follow this highly enjoyable link. - http://boatsport.org/

You could try these guys who specialise in older OMC & Mercury 2 stroke outboards, who are very helpfull & have parts going back to 1950s & give advise. Outboard & Marine Services, Sutton Coldfield email: ob.marine@gmail.com Tel :07010 708648