My 2005 kawasaki ninja 636 wont start i was charging the battery and it made a pop noise and now nothing turns on when i turn the key

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Assuming you have just left the bike for a while and not removed a battery lead so it is flat (not the alternator is shot), then bumb start the bike and take her for a 5 mile journey, without stopping too much. Do some low speed, 3rd gear pulls to 60mph. This will charge the battery.

If it is the original battery, and it doesn't recharge after this, check the condition of the alternator and get a new battery.

Hope this helps matey :)

try new fuel & plugs...

sounds like the brains, prob worth taking it in and plugging it in to a computer,

lifters may need adjusting

I am not familiar with Kawasaki's but with Suzukis you need to hold the clutch before yuo can start it. If this is the case and you are, then it might be the switch is defective or the wire has come loose. It might also be worth checking the kill switch is in the run position. The humming noise is the fuel pump priming and is normal

Regards

Chris

What do you mean by nothing? Have you verified spark, fuel?