Use chopper exchange.com for comparison, good source
========================================================1999 is an EVO engine they are tough what is a lot of miles depends on how it was cared for. Not that bike may not be worth it in normal times , these are nt normal times.
Do some shopping compare condition and price
If every thing else is more than right with the bike down the road it is not that expensive to do a factory rebuild this is a HD not a metric