72 end top end bog

Why Do I Have A Top End Bog When I Give It 3/4 To Full Throttle. Seems Starvibg For Gas. Idles Great And Low End. I See Two Lines Coming From The Gas Tank. Is There Supposed To Be Air Bubbles In It. I Tried Adjusting The Screw But Does Not Help Or Makes It Worse.

Sorry For The Caps.....Its My phone
 

retiredpop

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Jul 3, 2001
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Calgary
What make and model? You will see bubbles in the return line to the fuel tank. What screw are you adjusting?
 
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