If it's an occasional jingling noise that you're hearing, it's the loss of one or both of your bottoming bumpers on the front shocks. Hidden inside the fork legs, under those chrome covers, inside the fork springs, are very conventional looking shocks. They have a metal cup and a foam bottoming bumper at the top.
After so many years, the foam bumpers are crumbling from age. Once they're gone, the metal cup that used to be around them falls down to ride on top of the shock. Ride a bumpy road and the little cup (shaped like a bell) jingles inside the fork.
I've heard that some people cut a piece of rubber tubing in half and slip it around the shaft to create something of a bumper and to hold the cup at the top of the shaft again.
Giving this some recent thought, I think I will do the next one by flipping the shock upside down and filling the cup with RTV silicone until it's full plus maybe a quarter inch. Once cured, that would serve as a bottoming bumper again and should be plenty durable inside that steel cup.
Downside: you have to remove the top of the fork tubes (the 1/4" screws on the fork caps) as well as compress and remove the fork springs to get inside. That means you need a spring compressor of some kind. This can be done on the bike be extra, extra careful working around that front fender. It's insanely easy to drop a wrench or piece of hardware and damage it. I'd cover it with blankets and towels before even starting the job.
Or just live with the jingling. Nothing is falling apart and the front end isn't going to come off the bike.