Ninja EX500 carbs on an XS650?

Update on the pilot screw. The pattern part looks identical to the stock part where it matters. It is very slightly different in the screwdriver slot height but this is below the thread and will have no effect on the pilots screw's operation. The screw came with the spring, washer and O ring.
It is a Keyster part made in Japan Part number on packet KHSS-110 screw set.
 
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