Turns out they were ALL rotten and either leaking or ready to start leaking. So I laboriously replaced them all. BTW I was having trouble with the one under the bottom carb only because I was trying to put 1/4" tubing on a 5/16" hose barb. When I got the correct hose, I could push it on that barb from beside the engine on the port side. I was able to use long needle-nose pliers to twist the protruding part of the plastic tie to secure the hose on the barb from the starboard side. The rest of the short length hoses were easy after that. I pumped the squeeze prime bulb hard to test for leaks. I used a mirror in bright sun to really see under there. No leaks.
Larry
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1975 Wellcraft V20 Steplift with 1979 Evinrude 150. Newly rebuilt dual axle trailer. Boat is in a slip behind Harbor Island on San Diego Harbor.
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