Momentary voltage drop? / check engine light


would you please post link
 
i do not recollect how someone found this problem
or did they have a code number if so what was the number?
 
I have a ctek charger and use one of these, it blinks showing the current charge in green, yellow or red. Unfortunately I didn’t look at it before trying to start the bike

It’s connected to the battery and is a quick connector to the charger.