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Dyno jet question

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07 sm

1000ft elevation

3x3 mod

Fmf power bomb - Q4 muffler

needle-2nd grove from top

main jet 155 ????

mixture screw ???

K&N filter

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fuel screw around 2.5 turns out,comfirm your pilot circut to be sure http://www.thumpertalk.com/forum/showthread.php?t=327405 155mj will be good maybe a tiny bit rich but to know for sure you need to put your bike on a dyno with an afr readout.the other way to check is to pull your airbox cover off and test it like that.if it pulls better at wot with a 155mj and the airbox door off then your rich

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