2004 yz450f carb what are the two holes on the intake

1 reply to this topic
  • bonher

Posted March 11, 2012 - 04:37 PM


Have an fcr.... has two holes where it hooks to the air box. One has a jet.... the left hole and the one on the right has nothing.... which jets are these?

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  • grayracer513

Posted March 11, 2012 - 05:12 PM


Pilot air jet and main air jet. The main air jet is usually a fixed orifice in the carb body and not serviceable.

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