reading carb needles

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a.lo.v2
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Posts: 124
Joined: Sun Sep 30, 2012 2:16 pm
Main scooter: sx 200
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Sat Jul 13, 2019 10:56 am

curious really, is this possible, can't find anything by web searches. as on my otherwise dull brass pwk needle it has a very bright ring as if polished which is only fractions of a mil wide anybody know what this could indicate. I am thinking a tight spot i.e weak with the fuel polishing under increased pressure, or I could have a runaway imagination.

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