Yes, yes, and no, and I don't know. You could have blown a fuse, but it seems it would be showing other symptoms if you did. THe age of the battery is a good indication of condition, over one year old, suspect, over 2 years old, definitely could be in need of replacement. Check the water in the battery and fill it to the level with bottled water, or rain water, no minerals, then get one of those floaty ball testers and check the electrolyte fluid weight, One dead cell, the battery is shot. Could have been not enough time to charge it back it up. A battery charger needs to run all night. So, check it out, hope this helps.
Get a multi meter
check battery -should be over 12v
charge battery- see if it holds charge over night- better than 12v
put battery in bike and start it-battery voltage should rise to 13-14v
Check all fuses.
It can damage the regulator jumping off a car battery(not always)
Batteries dont always recharge after being totally flat
SOURCE: I have a 1980 Suzuki
NEVER jump a motorcycle with a car, there is no telling what you fried on the bike. You are lucky the ecm is not toast along with the rectifier and other electrical componets. Replace the battery, it obviously has a dead cell and won't hold a charge.
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