Over the years, Harley-Davidson has made some seriously fast bikes, and some of them are pretty affordable today ...

Buying aftermarket parts voids your warranty ... the company’s limited warranty policy — which says that the use of non-Harley-Davidson parts for bike repairs or modifications could void ...

Assuming you're buying this used Harley to ride it rather than collect ... including repair services and replacement parts. Once a certain make and model of motorcycle gets too old, though ...