Welcome!
Personally, if the PO didn't warn you about the bike having problems with charging I would've taken it back and demanded my money back. Unless the GS was your deepest wish of course. With something we've long wanted we take into account things like this too.
XXXXX Well, enthusiasts pay more for their iron usually anyway!, and the things I really wanted are there; its such a quiet running machine (outside of the drilled out mufflers) with a ever so slight valve tick, love it. Tight and very strong and handles like a dream, idles like a pussy cat even as can be and revs brightly. Is this motor a roller bearing crankshaft? Runs like one!
As a fellow Nighthawk rider I fully understand what you mean with this new bike not feeling so light. I love the NH, but sometimes it's a real pita to ride it because truck backdraft and especially the winds at speeds over 50 mph. High speeds on it? Forget it!
XXX Its almost worth it though, I'm a small old guy, I like the weight of the hawk and for a bigger front wheel bike she handles surprisingly well with good tires (I'm using brigestones battlax BT45, I think)
Considering how lightweight the NH feels everything else feels heavy. It's an interesting fact that my previous Virago 500 was 30 kg lighter, but felt much heavier than the Nighthawk. The NH are perfectly balanced.
XXX Sure seems so. I've done a lot of personalizing to mine but other then handlebars and seat and a small Riffle fairing its basically a stock bike. 85's had the bigger cabs and the better stator/rr also.
It's also a pretty small bike, when I'm breaking and doing a sharp corner I feel like my knees are on the sides of the headlight

And the tail is a bit too short IMHO. But it's a city bike, made for practicality and commuting in the city which it does beautifully. It handles superbly and you can weave in and out of traffic as much as your heart desires.
Great acceleration too... it was the fastest 650 of it's time and could keep up with 750cc bikes as well. It supposedly has 4,6 sec from 0-60 mph...
There's also the low fuel consumption... Yesterday when I was filling up the tank I calculated the consumption of around 3,8 l/100 km (or 61 mpg), a rarity on a bike of this displacement and power (well except for BMWs). And that at 75HP and 650 cc...
XXX 63 ponies I think (could be wrong) but plenty fast, feels like it has a blower when you hit five-six grand, quick little puppy
It's a fantastic bike. Light, but powerful and cheap to run.
And yeah, the NH are VERY quiet bikes. Personally too quiet in my taste. They've got a lovely sound but if it would be just a little louder it would've been perfect. It has the sound of a sportsbike, it's just missing the growly, bass undertone.
Do you still have it or did you sell it?