1 1990kdx Member Nov 9, 2010 13 0 Jan 31, 2011 #1 what the jetting be for a 1990 kdx with fmf pipe, pro circuit spark arresting silencer, and air box mod. the alitude is 1000 to 2000 feet. the temp is about 70 degrees. thanks
what the jetting be for a 1990 kdx with fmf pipe, pro circuit spark arresting silencer, and air box mod. the alitude is 1000 to 2000 feet. the temp is about 70 degrees. thanks
J julien_d Member Oct 28, 2008 1,788 1 Feb 1, 2011 #2 155/45 is a safe place to start. You'll need to jet it to get any closer.
1 1990kdx Member Nov 9, 2010 13 0 Feb 1, 2011 Thread starter #3 ok i will start with that thanks for your help.