Re: Starting issue
you possibly have/had some leaky valves in the fuel pump which bled pressure back to tank and also allowed a siphon to start with that once the ball got rolling. with use maybe the valves are starting to loosen up and hold their pressure better.
if it were me i would yank the pump outlet line off at the carb and do a volume test to see if it is putting out what it should, then do a test to see what pressure it puts out, then see if it wil hold the pressure in the line when the pump is not working.
do you have a 2 line or a 3 line pump? got a pic?
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