as far as getting it from here and making it legalised at lahoreyar its a head ache unless you have contacts.
i had sold a suzuki bandit to a guy(now a firend) in lahore.he told me he got it cleared .it costed him around 30,000.he told me kai koi token system hai through which he did it.i dont know it exactly.
in my opinion better to buy a custom clear bike.
Its only an opinion but senior memebers may be of greater help.