Is it worth it to restore a passed down Nishiki 1986 Olympic Road Bike

if fixing to flip for a profit is the only motivating factor, no. “worth” is really subjective.

good educational opportunity tho, that’s a great bike to learn the basics on and it wouldnt take too much to turn it into a nice riding commuter or what have you if you wanted to fix it up for yourself.

Not much money required to get it back no the road. Find your local bicycle collective https://bikecollectives.org/wiki/Community_Bicycle_Organizations, stop in, and see how they operate. My local bike collective’s mission is to teach you to fix your own bike. They have all the supplies, parts, and tools to do a full teardown and rebuild of any bike made in the last 100 years.

You could also look up a rebuild video for each part as you attack it. I tend to rebuild the wheel hubs first before moving to the bottom bracket and then the headset. Materials and supplies might cost you 100-150 but it’d be far cheaper if you have access to a collective.

No. Very few old bicycles are actually worth the cost to restore, if you want to make money by reselling it. Might be worth the effort if you want something old school to ride around on and if you enjoy repairing old things.

This is a pretty generic mid range 80s bike, a fine bike for it’s time but nothing special today.