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Old 09-30-2005 | 06:30 PM
  #6  
GoNavy
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From: Rib Lake, WI
Default RE: Pump pressure setting?

Okay.
I reduced pump pressure.
Now I can achieve idle and mid range.
Now my top end is off, from 9,000 down to 8,000 and with surging. No matter how far out I take the high speed needle.

No air bubbles. Is this just too low pump pressure, or do I now have dirt in the pump? I took out both needles and cleaned the carb...nothing obvious.