2001 yzf426 Jetting

1 reply to this topic
  • shabbdaddy

Posted September 23, 2005 - 07:52 PM


My 2001 YZF426 has a White Bros. E series pipe. It seems to be running a little rich. I have had to change the spark plug twice in 3 months. I am not sure if the pilot jet was ever changed. It is hard to start when cold, but starts great when hot. What Pilot jet should I be running? Thanks

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  • Matt96xr6

Posted September 23, 2005 - 08:05 PM


do a search on the yz426 jetting. You will find a lot of info on the topic.

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