Hey i just rode the 550 with a full ti achro exhaust,the stock jetting was way to lean< the stock head pipes went orange in 2 min.I changed to a 45 pj from a 40pj the clip is still # 4 from top,mj is stock...when the bike is warm and i snap the throttle open it has a bog.....can i shorten the accc.pump time or am i looking for a other changethanks Paul