Home › Forum › Ask A Member › 1965 40 Johnson Fuel Pump › Re: 1965 40 Johnson Fuel Pump
July 24, 2016 at 11:29 pm
#40852
When I did one with the small square pump, I used 3/16" line. Fits the pump perfectly. To get it over the barb on the tank line connection, you have to warm it up good with a heat gun, to get it over the barb, but is do able.