hey guys sorta a stupid question. Last time i did my top end (2 years ago) i didn't replace the orings and seal that came with the kit because the bike was still relatively new. However, its a 2009 and i want to replace everything while i have it apart. Im not sure what these o-rings go to or the seal. I don't believe they are for the spark plug because both spark plug orings are the same size. Any help is appreciated.