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Old 05-27-2011, 11:41 AM   #3470
Brewster
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Joined: Apr 2011
Location: Arizona
Oddometer: 43
Quote:
Originally Posted by Luke View Post
No wonder you were having trouble with jetting. Mikuni and Keihin jets sizes have nothing to do with each other. According to the manual, if your correct main jet at sea level was 162, you should run a 152 at 7000 feet. Not 122.

Here's the chart:
http://john.rushworth.com/Pics/XR400...Q/main_cor.htm
+1


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