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Old 04-30-2013, 11:53 AM   #5
supershaft
because I can
 
Joined: Sep 2010
Location: San Francisco Bay area
Oddometer: 8,042
The later model bikes from R65 to R100 are jetted with the same mains and just about every other jet in their carbs and they are all jetted very well. Different engines will pull different amounts of fuel through the same size jets.

Changing jet needle positions is not like changing the needle jet size two or three sizes. The are different jets and effect different parameters.
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