(KNZA)--A motorcyclist was seriously injured Sunday afternoon after crashing his motorcycle on a Leavenworth County highway.

The Kansas Highway Patrol says 65-year-old Shawnee resident Stanly Monger was westbound on K-32, about two miles west of 142nd Road, when for an unknown reason he laid his Harley Davidson motorcycle over and was ejected.

Monger, who was wearing a helmet at the time of the crash, was taken to the University of Kansas Hospital in Kansas City with disabling injuries.

The wreck was reported shortly before 4:15.