Harley Davidson XR750This Bike was JR Schnabel’s national #33 primary race bike. Owned by hall of fame Babe DemayEngine transmission. and chassis have been refreshed. race ready. No title bill of sale only The XR750 averaged 15 percent a year appreciation from 2000-2010. Prices remained steady from 2010 through 2012. They have started to skyrocket in price again in late 2013. The sudden increase seems to be tied to rumors the XR is being retired-replaced by a new dirt track bike based on the new Revolution 750 motor. Parts prices continue to skyrocketed making these bikes difficult and expensive restoration projects.