1998 YZ400F Pilot jet series question.


4 replies to this topic
  • QuietFlight

Posted February 22, 2011 - 08:13 AM

#1

Series 21 or 22?

  • grayracer513

Posted February 22, 2011 - 11:03 AM

#2

Pretty sure it uses a 22.

Both are 28mm long, with a larger and a smaller diameter. The 21 has the threads on the larger diameter, and the 22 is threaded on the smaller diameter.

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  • QuietFlight

Posted February 22, 2011 - 02:19 PM

#3

ty! ordered up.

  • i ride

Posted February 22, 2011 - 03:30 PM

#4

its a 21.

  • QuietFlight

Posted February 22, 2011 - 06:44 PM

#5

I used the OEM options as to avoid any confusion, but thanks for the info!





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