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Old 10-22-2021, 03:26 AM
  #51433  
1967brutus
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Join Date: Oct 2021
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Originally Posted by 1200SportsterRider
I have always thought that the little O-ring in the end of the spray bar was more for steadying the needle than sealing, the very fine threads would seal it just fine.
FWIW: I nowadays wrap a short length of Teflon tape around the threaded part for that extra little bit of seal.