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FCR jetting with cam and header

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I have an 07 S with an FCR from and 03 E, Hotcams intake cam, and an FMF powerbomb header with stock S muffler. After about 30 sec of lightly reving the engine the header was glowig red. I assumed the jetting requirement would be pretty close to the stock 03 E FCR. Both bikes came from 500ft altitude. Why so lean? Does anyone have jetting reccomendations for my setup?

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Glowing red isnt a problem. Air moving over the pipe cools it off as you ride down the road.

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