BONNEVILLE SALT FLATS — A motorcyclist was killed in a 200 mph crash Wednesday afternoon.

Cliff Gullett, 47, of Bozeman, Mont., was riding in a speed trial when he lost control of his motorcycle and crashed on the Salt Flats about 4 p.m., said Tooele County Sheriff's Chief Deputy Duke North.

Gullett was wearing protective gear, but died from injuries sustained in the crash.

Investigators were unsure what caused Gullett to lose control of his motorcycle, North said. The investigation is ongoing.