(KNZA)--A late Tuesday evening Atchison County motorcycle crash claimed the life of Oskaloosa man.

The Kansas Highway Patrol says the crash happened on U.S. 159 Highway, about one mile north of Muscotah, shortly before 10:00.

According to the KHP report, 65-year-old Antone Artman was southbound when for an unknown reason he lost control of his Yamaha motorcycle and drove into the west ditch. Artman, who was not wearing a helmet, was thrown from the motorcycle.

He was transported to a Topeka hospital, where he was pronounced dead.