bangshee Posted July 10, 2011 Report Share Posted July 10, 2011 I have a 99 shee that is all stock except for a pro design filter adapter and a k&n filter with outerwears and I am putting on pro circuit pipes and silencers, what jets will I need to ride safely at 1450 elevation, also would it be best to run with the lid off the airbox? Quote Link to comment Share on other sites More sharing options...
SuprSlow50 Posted July 10, 2011 Report Share Posted July 10, 2011 I did a quick google search and found this "I Called Pro Circuit and they said run 260 mains at sea level" and there was another guy running no lid and a K&N with 310 mains and 30 pilots...here is the link http://forums.atvconnection.com/yamaha/108068-banshee-pro-circuit-pipes-jetting.html Quote Link to comment Share on other sites More sharing options...
volcrano Posted July 14, 2011 Report Share Posted July 14, 2011 lid with 6 holes no snorkel 280 mains 27.5 pilot 1.5 out.no lid u might need 300.start with 280 if u wanna keep lid for muddy conditions.get those air box vent filters,they work well. Quote Link to comment Share on other sites More sharing options...
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