Tempo fuel/pump ball line

[gss036]

I had that problem last spring(02), while over in the Canadian Gulf Islands, pump up the bulb and away I would go. When I got home I changed the water/fuel filter, making sure I had the ones with "O" ring looking gasket and have never had the problem again. Never thought of the bulb since it pumped up ok, although it feels soft sometimes, maybe the check valve not seating all the way? May be time for a new Mercury bulb.