Q. Do all kawasaki ninja 650 have abs brakes

The other answers are misleading, the ABS is available as an OPTION on the Ninja 650, they haven't changed a bit. I have a 2013 and you could get it with or without ABS and they are still following the same practice today. ABS is NOT standard equipment on these bikes. So to answer your question: No they do not all have ABS brakes on the Ninja 650. Really they should just make it standard practice by now, none of the dealers in my area even order these bikes in, they only ever get the Non-ABS versions, I guess they will special order you one in but they never have any in stock.

Kawasaki Ninja 650 has dual-channel ABS and it is equipped with double disc brakes.

Yes Dual channel