The Missoula County Sheriff's Department has released the name of the Huson man killed Sunday night in a motorcycle crash in Missoula.

Twenty-seven-year-old Zeb Scheffer was a passenger on the 1989 Yamaha cycle.

The Montana Highway Patrol said 21-year-old Shane Burke hit a deer on South 7th Street West.

Scheffer was taken to St. Patrick Hospital where he died.

Neither of the men were wearing helmets.

The Montana Highway patrol said it is investigating speed and alcohol as possible factors in the crash.