The recommended rim width for a 110 series 19 is 2.5" (WM4) inches. I don't know what your front wheel width is but I'm guessing just from the era it's a 1.85" (WM2) or maybe a 2.15" (WM3). You could probably stuff one on there but whether or not the profile would be right would be questionable.
I'm lacing up aluminum hoops to mount up dual sport tires on my KZ650 (dirt roads are a common riding experience here) & in the front I'm using a HD replacement wheel, 19 x 2.5" I snagged on evil bay for less than $70 shipped new! It was a shot in the dark but the spoke count was right & it laced up great. If you have 40 spoke hubs, chances are likely one would lace up fine to your hub. Plus, you'll end up losing a few pounds in the rotating mass department... Always a good thing.
I've been playing around with lacing wheels a bunch here lately & have massed a decent amount of info. Hit me up if you want any help, I can probably lend a hand.
