CFR › Title 40 › Part 86 › §86.501-7840 CFR §86.501-78Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)This subpart contains the motorcycle test procedures specified in subpart E.(b)Provisions of this subpart apply to tests performed by both the Administrator and motor vehicle manufacturers.