Make sure your tires are inflated properly.
Then do all the Ole Hoss checks.
If your highway is grooved, there will be some shaking. Adding progressive springs to my forks reduced all kinds of front end shake.
MF Battery, Iridium Plugs, RR relocated, Voltmeter, 170/80/15 Kenda Kruz rear tire, DIY Samsonite hard bags, DIY shaved seat with Beaded seat pad ('cause that's how I roll) and the dreaded STATOR CHANGE.
Shining Black Bess '86 VN750, retired for parts after a fried stator and being knocked (kee-runch) in her parking spot.