I had the same problem just after I got my bike. It was a loose battery terminal. It's stayed tight for over 13,000mi since.
Steelheart- '03 Speedmaster Black/Yellow
The Hayabusa Killa
16" Shorties/140 mains/Airbox drilled
Procom CDI
"There is no cure for Celibacy. But we can treat the symptoms."
