I get what you’re saying. The Seca II isn’t still in production. It was discontinued in 1998. But for those visiting this site looking for suggestions on affordable used bikes I would strongly recommend the Seca II. I see LOTS of them on craigslist, many of them in great condition.
I do agree that SOME parts are hard to find… I’m still looking for the stock Yamaha luggage rack that goes on the back fender, but I’ve had no trouble replacing a broken turn signal and fuel line with stock parts. Corbin still makes seats for it. I do know mechanics in my area that won’t work on bikes older than 2000, but I found two that will.
Yes, there are some added challenges with an older used bike, but the money you save makes it worth it for beginners buying a first bike that they plan to replace once they learn more about what they really want through riding experience. I don’t think I’ll outgrow the power of the Seca, but I’ll probably eventually want a newer, nicer bike with more amenities and choices for modifying.