I'm after some advice on how to start, but first an explanation of my situation:
I live in an apartment in Jakarta, Indonesia, where traffic congestion is the norm daily and there are more motorbikes than cars. The apartment is located right next to a busy intersection, back streets are 5 minutes away and require going through the said intersection and even then, the space would only fit two cars. The only "big wide-open space" close by is the parking lot of the sports stadium which would be about 15 to 20 minutes away.
Oh, and there are no conventional motorcycle riding schools available (though the Harley dealership has courses on how to handle big bikes).
Sooo here are my questions:

1. I never learnt to ride a bicycle when I was a kid. I'm 28 now; is it fine to just go straight to learning how to ride a motorbike straight away?
2. There are no motorcycle schools, so should I get someone who can ride a motorbike to supervise me?
3. Where the heck should I practice? The back streets I mentioned above, or to the sports stadium parking lot?
4. The Ninja 250 has been recommended to me time and time again. Should I just go and buy it then start learning, or borrow other people's bikes before I learn?
Any help with the above questions would be appreciated!
