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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Ok, for the YS Gurus out there..</span></font></p>
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font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have a 140L, runs good. Fuel system has no
leaks. However, when I defuel, the pump sucks air bubbles in the
fuel. If I pinch the fuel line at the regulator, the pump primes and no
more bubbles. Regulator has a new diaphragm in it. Engine
doesn’t appear to leak fuel anywhere when running. Something to
worry about? What should I check? Thanks in advance! Chuck</span></font></p>
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