Vitamin Pepsi Posted May 2, 2013 Share Posted May 2, 2013 Howdy howdy. I have a Z with harley motorcycle carbs. They've worked great for the last two years, but this year I tried starting it up in the coldcold minnesota winter and my inline fuel pressure regulator blew up. I replaced it with the exact same kind and set the pressure to 1lb of fuel. But now fuel is pouring out of both carbs like they're both getting way too much fuel. How can 1 lb be causing them both to overflow? I have a fuel return line for unused fuel that doesnt seem to be clogged. Don't know what to do at this point. Any suggestions? Quote Link to comment Share on other sites More sharing options...
beermanpete Posted May 2, 2013 Share Posted May 2, 2013 (edited) Perhaps the float valves are stuck open. Check the floats and float valves for proper operation. Edited May 2, 2013 by beermanpete Quote Link to comment Share on other sites More sharing options...
DatsunZman04 Posted May 15, 2013 Share Posted May 15, 2013 drain and measure how much fuel is in each float bowl and see if they are the same. It sound like a poor adjustment or something is stuck open. Quote Link to comment Share on other sites More sharing options...
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