250's in house today. Finished, but not without some drama. Replaced aftermarket, non-marked main and pilot jets with factory stock sized jets. Ugh. Had no choice but to repair via enlargement/drilling/tapping a stripped female thread at the LH carb float bowl, upped from 4 to 5mm (see pic). Other changes were made where necessary to net a set of now perfectly set up, usable carbs.
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