Update 4:07 p.m.: The motorcyclist has been identified as Richie A. Klein, 53 of Billings.
Yellowstone County Coroner Cliff Mahoney said the cause of death was head trauma.
BILLINGS – A 53-year-old Billings man died in a motorcycle crash Sunday west of Billings.
The Montana Highway Patrol estimates the crash happened around 1:30 a.m. Sunday.
Troopers responded to the wreck near Neibauer Road and Esther Rose Lane.
According to the patrol, a Harley-Davidson motorcycle was speeding when it failed to negotiate a curve in the road.
The motorcycle traveled off the left side of the road and crashed.
The rider, whose name has not been released, was not wearing a helmet and was pronounced dead on the scene.
