Honda CB500X (2019) Handleiding

After a short stop my honda cb 500x didn't start; we used a booster and he started and drove to the motor shop, there we found out that the battery was broken. then i found out that the plus cable from the motor was contected to min of the accu ( this was always the case their i never changed the battery, for 7 years.then we contected the new battery and the patrol pump was running but no power to my panel and we cloudn't start the motor!!! someone has an idea?