C90T or C50T which one should I buy?
 

Hi All,
I've been riding pretty much my whole life, however always small and nimble bikes.
My current bike is a Yamaha FZ6 which has a detuned R6 engine, pretty quick for a 600 with 100hp

I love the bike but I was hoping to get something more comfortable and that can handle lots of highway miles at 80MPH (that is the speed of traffic here) without making it a workout every time.
I live in CT and it does not get very hot, thus I do not need to have the wind blasting on me. I am fairly tall at 6'2" and 230lbs
I did find a decent deal on a 2018 c50T with 250 miles for $6k, and also a 2013 C90T with 7k miles for $4,800
Which bike you would recommend?
I think I would be fine with the c50t but do I really need to have the DJ mod? Would a dealer be able to do it? I would not want to do it my self. Or is it fine without it?

I also found a 2014 Moto Guzzi California with only the windshield with 7k miles for $7,500 but that is getting too price for me.
The Moto Guzzi is also the only bike that local to me. I just want to get something that is reliable and does not require a whole lot of maintenance other than oils change

Please let me know what you guys think. Thank you in advance for the help!!