new stock xr650L - sea level compared to colorado altitude


2 replies to this topic
  • BUBBA ZANETTI

Posted August 09, 2006 - 07:46 PM

#1

Would it be safe to say that a stock bike will run better at altitude
than one that is at sea level with the factory lean settings and all the emission B.S. intact? :thumbsup:

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  • snaggleXR650

Posted August 10, 2006 - 03:32 AM

#2

Better, in that the air/fuel mixture will be more in balance on the high alt. bike. However, I've heard that the lack of O2 in the higher elevations really saps HP, so this may negate any benefits.

  • XR650L_Dave

Posted August 10, 2006 - 07:59 AM

#3

Would it be safe to say that a stock bike will run better at altitude
than one that is at sea level with the factory lean settings and all the emission B.S. intact? :thumbsup:


The emissions carp won't help or hurt, and the stock jetting will be 'richer' the higher you go.

Drilling the slide is always good, as is shimming the needle.

Dave





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