Re: good idea or bad one
The tank is from a Yamaha MX-80. Sort of a kid's dirt bike. I'm lucky to have a motorcycle salvage yard near me that has an amazing selection of motorcycle parts and shelves of fuel tanks to choose from. You might want to check your local listings for one near you. I'm sure a city the size of St. Louis would have at least one.
If you're going for the cafe racer look the bigger the tank the more it will have that style.
Cafes usually had massive fuel tanks.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"