Bad knocking sound leaving the line
OK, it's an 03 with 12,000 miles, always run great, has a slight chudder at the usual part of the power band. I commute 75 mile a day on it on one of the worst freeways in So Cal (91 from OC to Corona).
Late last week it started making this metallic popping sound, sorta like hitting the case with a ball peen hammer. Just does it as I leave a light. Sounds like it's coming from the rear of the bike, but I can't really tell. Seems to be getting worse.
I'm due to ride this thing to Sturgis in two weeks, so this is scaring the hell out of me.