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Title 40

Displaying title 40, up to date as of 7/09/2026. Title 40 was last amended 7/09/2026.
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  1. Title 40 —Protection of Environment
  2. Chapter I —Environmental Protection Agency
  3. Subchapter C —Air Programs
  4. Part 86 —Control of Emissions from New and In-Use Highway Vehicles and Engines
  5. Subpart E   View Full Text
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eCFR Content

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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 86Control of Emissions from New and In-Use Highway Vehicles and Engines86.1 – 86.1999
Subpart EEmission Regulations for 1978 and Later New Motorcycles, General Provisions86.401-2006 – 86.450
§ 86.401-2006General applicability.
§ 86.402-78Definitions.
§ 86.402-98Definitions.
§ 86.403-78Abbreviations.
§ 86.404-78Section numbering.
§ 86.405-78Measurement system.
§ 86.406-78Introduction, structure of subpart, further information.
§ 86.407-78Certificate of conformity required.
§ 86.408-78General standards; increase in emissions; unsafe conditions.
§ 86.409-78Defeat devices, prohibition.
§ 86.410-90Emission standards for 1990 and later model year motorcycles.
§ 86.410-2006Emission standards for 2006 and later model year motorcycles.
§ 86.411-78Maintenance instructions, vehicle purchaser.
§ 86.412-78Maintenance instructions, submission to Administrator.
§ 86.413-2006Labeling.
§ 86.414-78Submission of vehicle identification number.
§ 86.415-78Production vehicles.
§ 86.416-80Application for certification.
§ 86.417-78Approval of application for certification.
§ 86.418-78Test fleet selection.
§ 86.419-2006Engine displacement, motorcycle classes.
§ 86.420-78Engine families.
§ 86.421-78Test fleet.
§ 86.422-78Administrator's fleet.
§ 86.423-78Test vehicles.
§ 86.425-78Test procedures.
§ 86.426-78Service accumulation.
§ 86.427-78Emission tests.
§ 86.428-80Maintenance, scheduled; test vehicles.
§ 86.429-78Maintenance, unscheduled; test vehicles.
§ 86.430-78Vehicle failure.
§ 86.431-78Data submission.
§ 86.432-78Deterioration factor.
§ 86.434-78Testing by the Administrator.
§ 86.435-78Extrapolated emission values.
§ 86.436-78Additional service accumulation.
§ 86.437-78Certification.
§ 86.438-78Amendments to the application.
§ 86.439-78Alternative procedure for notification of additions and changes.
§ 86.440-78Maintenance of records.
§ 86.441-78Right of entry.
§ 86.442-78Denial, revocation, or suspension of certification.
§ 86.443-78Request for hearing.
§ 86.444-78Hearings on certification.
§ 86.445-2006What temporary provisions address hardship due to unusual circumstances?
§ 86.446-2006What are the provisions for extending compliance deadlines for small-volume manufacturers under hardship?
§ 86.447-2006What provisions apply to motorcycle engines below 50 cc that are certified under the Small SI program or the Recreational-vehicle program?
§ 86.448-2006What provisions apply to vehicles certified under the Recreational-vehicle program?
§ 86.449Averaging provisions.
§ 86.450Treatment of confidential information.
eCFR Content