Don't take North South Corridor and then GQ via Krishnagiri, which is wide and 4 lane, as High Speed is not what are you looking at, take the old highway, which is shorter, more intresting and will help you properly run-in your bike as there will lot of reaseons to brake, and slow down.

There are no check posts! Nobody will ask you anything. You will be getting your proof of your insurance cover and sale, carry that else there will not be any problem, espcially on highway.

Start very early, you do'nt want to your engine to heat up..right? Secondly carrying a pillion will be more strain, but should be not be a problem.

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or you could actually have a hoot riding the bike, as i read on this site.

if you have the sale papers, and the temporary registration, there are no issues. just take the insurance cover note, get a pollution certificate, and you are good to go. the temp registration is valid for a month all over the country, so you are good to go.