'66 Merc 350 Fuel Line Size

mickarch

Seaman
Joined
Nov 27, 2007
Messages
74
Hi Folks,
Can anyone help me with the proper fuel line size for a '66 350, 35hp motor? The previous owner seems to have made up their own fuel line/primer bulb assembly that I would like to replace with a mercury setup. Would this motor have the 5/16" or 3/8" fuel line?

Thanks and Merry Christmas!
mick
 
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