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Discussion Starter · #1 ·
I have been getting some hesitation at WOT between 5k-7k...like a flat spot. Thought it might be the fuel pump as I ran it dry and suspected it was damaged. Replace the fuel pump with Hi output walbro and pumps like a champ but still feel the hesitation. Only noticed it after it's gotten colder ( < 50 degrees). It seems it may be when the secondary butterflies (and injectors) kick in which is why I also thought it was the fuel pump.

Anyone else have similar experiences?
 

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got power commander?
 

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[:Agree] PC3 or a good map will make all the difference!
 

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Discussion Starter · #5 ·
I plan to get a PC3 but I was wondering why it would suddenly develop a flat-spot. I didn't want to mask an underlying problem with a PC3.

By the way, bike has 5000 miles on it.
 
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