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Old Jul 5, 2010 | 09:20 PM
  #11  
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supposed to be that the dirtier it gets the better it filtrates and performs. I'll stick to the $20 h-d filters that you change about every 30k miles, thank you.
 
Old Jul 5, 2010 | 10:08 PM
  #12  
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Thanks for the info, guys. I guess I was just a little surprised bu the discoloration, but I'll take it easy from here. Once a year it is, I guess.
@ ARTZ: If the stock filter is what floats your boat, then more power to you. I personaly like the idea of my motor being able to breathe, but if you're happy with your stock setup, then I think you're right to stick with the HD air cleaner.
 

Last edited by frenchman; Jul 5, 2010 at 10:11 PM.
Old Jul 5, 2010 | 11:57 PM
  #13  
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From K & N website.
4. How often do I need to clean my K&N air filter?

If you have not experienced a decrease in mileage or engine performance, chances are your filter is fine and does not yet need cleaning. To be more specific, the filter does not require cleaning if you can still see the wire screen on the entire air filter regardless of how dirty it may appear. When the screen is no longer visible some place on the filter, it is time to clean it. When used in normal paved road, street or highway conditions, our replacement air filters that fit in the factory air box should require cleaning every 50,000 miles and our large conical filters on an intake system should require cleaning every 100,000 miles. When used in dusty or off-road environments, our filters will require cleaning more often. We recommend that you visually inspect your filter once every 25,000 miles to determine if the screen is still visible.

 
Old Jul 7, 2010 | 02:25 PM
  #14  
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just did mine at 10k, a little dirty, but motor feels the same and acts the same, wasn't anything wrong anyway.. the last two tanks is getting bout 2mpg's better though..
 
Old Jul 7, 2010 | 02:51 PM
  #15  
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Originally Posted by Uncle G.
I just cleaned mine at 20,000 miles (2 years), and noticed no difference in performance.
And you shouldn't! On the fuel injected bikes, even with a dirty filter, the ECM compensates for running conditions. If you don't believe that, make two rides up Pike's Peak, one with a FI bike, one with a carb bike. You will find out very quickly how wonderful FI and an ECM are.
 
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