yamanshee_350 Posted March 3, 2011 Report Share Posted March 3, 2011 simple question.......do i have to re jet if i remove the factory airbox and replace with K&N pods or toomy one into two filter system i ran it one time with the lid off and it ran terrible i have a factory motor with fmf fatty pipes if so what jetting do you recommend? thanks Quote Link to comment Share on other sites More sharing options...
06specialedition Posted March 3, 2011 Report Share Posted March 3, 2011 simple question.......do i have to re jet if i remove the factory airbox and replace with K&N pods or toomy one into two filter system i ran it one time with the lid off and it ran terrible i have a factory motor with fmf fatty pipes if so what jetting do you recommend? thanks Yes you will need to re jet. Anything that changes air/fuel will need jetting adjustments. That is why your bike ran terrible with the lid off. We need more info to give you an idea on your jetting. All mods? Elevation? carb size? Quote Link to comment Share on other sites More sharing options...
yamanshee_350 Posted March 3, 2011 Author Report Share Posted March 3, 2011 the only mods i have are the pipes i run 40:1 with stock carbs as for elevation i live in pa...lol so not very high Quote Link to comment Share on other sites More sharing options...
Phelps Posted March 3, 2011 Report Share Posted March 3, 2011 you will have to go up 2-3 jet sizes on the mains at least. Quote Link to comment Share on other sites More sharing options...
yamanshee_350 Posted March 3, 2011 Author Report Share Posted March 3, 2011 according to the elevation finder im 419' in York pa Quote Link to comment Share on other sites More sharing options...
sstaton1983 Posted March 3, 2011 Report Share Posted March 3, 2011 no air box lid with k&n, go up 2 sizes on mains,then do a plug chop. Quote Link to comment Share on other sites More sharing options...
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