(The video above is from an earlier story and will be updated.)
The Fresno County Coroner's Office identified the man as 30-year-old Donell Dudley.
The California Highway Patrol says the crash happened just after 6:30 a.m. Thursday. Officers initially received a call about a body lying in the roadway on Highway 180 under Highway 41.
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The CHP says the motorcyclist, now known as Dudley, was heading westbound on the Highway 180 transition to southbound Highway 41 when he hit a wall. Dudley fell about 60 feet away from the bike.
He was taken to the hospital, where he died.
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A helicopter helped locate Dudley's helmet and motorcycle.
Officers say it's unclear whether drugs or alcohol were factors in the crash.