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FMF fatty jetting help


Banshee Roost

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I have installed 320 Mains and left the rest alone banghead . Now just off idle it hesitates and seems like it wants more fuel! What should I do to correct this. My bike seems to flow pretty good maybe even 27.5 pilots maybe? Mods in sig no porting. About 1100 ft elevation.

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Yes K&N with snorkle removed and  holes in the airbox lid. I will try to raise the needle!Just dont want to do this to many more times . Is the needle under the main jet?

447183[/snapback]

Definately raise the needle. This will eliminate a lot of that hesitation before the powerband. You'll notice the 4th clip w/ aftermarket reeds and the 5th clip w/ stock reeds would be the best setting..

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