Haw. Rev. Stat. § 431:10G-105: Tort liability.

(a) With respect to accidental harm incurred in or arising out of a motorcycle accident or motor scooter accident, tort liability is not abolished.

(b) Any owner or operator of a motorcycle or motor scooter involved in a motor vehicle accident as defined in section 431:10C-103 and who incurs accidental harm as defined in section 431:10C-103, including such person's representative or legal guardian, shall have a cause of action in tort as provided in section 431:10C-306.