I just got my 2002 banshee with FMF pipes. I been posting about my left cylinder choke side popping. I was wondering if i dont have the right jetting for the pipes. but it ran fine when i got it. Then i put new plugs in ran good then it started messen up and poppen after a few runs.. Not sure wats causing it tho.. The new plugs didnt even have one hour on them.. Just wondering any ideas let me know!!