Post pics of the bike.. Or video if u have any. Now about jetting.. Wow I was not aware of warranty been void ... u probably want to really check on that. As to jetting. Everyone here says that if u don't do it the bike runs lean. There is several post about it. And how it gains power by doing so. Even if u don't change the exhaust... red posted on how to rejet ur bike. U probably want to check that out. Good luck.