Update:
It's fixed! Parts came in a little later than expected, but I replaced the R/R and battery for good measure. Took the bike out two or three times since working on it to try and replicate the issue after about ~15-20min. of riding and it seems to be all sorted out, no more check engine...
Thank you both so much for the quick replies.
Thanks, I tired to do all I could before posting to confirm my suspicion. There are not any signs of damage to the wiring that I could find. Good to know about the explosion hazard, I figured I shouldn't ride the bike until the problem gets sorted...
Hey all, new around here so I hope I'm doing this right!
I recently picked up an '07 FZ6 S2 with ~10k mi., on the test ride and on the way home I didn't notice any issues- the bike ran great. However after doing some slow speed practice in a parking lot on the ride back home the check engine...