*Chain drive, which is much more maintenance.
I like the "use and forget" factor of the shaft, but wouldn't dismiss a bike because it has chain. I had a great experience with a Scottoiler (which I modified to give me 8000 km/5000 miles between refills).
For me, the shaft drive was a HUGE plus. I *hated* chains. They were always rusting, needing to be greased, needing adjustment, wearing out sprockets, flinging debris around, making me worry they would fail and take me down, etc. I just love the shaft drive.
*No variable valve timing
So what? Can somebody here honestly feel anything? Specially with those damn secondary butterflies.
It adds to the overall power available. In and of itself, it is not really an advantage, other than the total package.
*Smaller alternator
GPS and grips don't take much.
But if you want heated seat, grips, jacket, extra lighting, extra electronics, etc, it can be an issue.
...*No KIPASS (although that might not matter to some)
Give me a break. That alone would make me buy the Ninja 1000.
LOL
I don't hate Kipass, but I also don't see it as any real advantage either. It WOULD be a HUGE advantage if it included unlocking the baggage, the gas tank, glove box, and didn't require mucking around with the "key" anyway.
*No analog speedometer
I hate digital speedos, but I guess I could accommodate.
I was just listing everything I could think of. Some people won't care. Me? I *HATE* digital-only speedometers or tachometers. I would prefer to have both, but never just digital.