A 64-year-old man died after his Harley Davidson and a motorhome collided at Wardell on Saturday morning.
The accident happened on the Pacific Highway 21kms south of Ballina at around 10am.
NSW Ambulance paramedics treated the man at the scene but he died shortly after.
The uninjured male driver of the Fiat motorhome was taken to Ballina Hospital for mandatory alcohol and drug testing.
The highway was closed for about two hours.
A report will be prepared for the Coroner.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au/