Bought these, NOS. this is an add on to This thread ............The first 10 pages cover the needles and jets required for these carbs to run on an XS650. There is some differences but that could be due to the different exhaust systems and condition of the engine...........Even the factory carbs settings aren't set in stone especially when alterations have been done to the air delivery and exhausts...........I may condense the relivant information from the thread ippity started and repost here.
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