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V-Twin

This site is specifically for the American V-Twin industry since this segment faces challenges unique from the rest of the motorcycle industry. Look for upcoming information on key issues such as, Environmental Protection Agency (EPA) and California Air Resources Board (CARB) emissions standards; sound limits and equipment requirements.

The MIC works relentlessly to promote and protect the motorcycle industry by negotiating with government agencies, raising public awareness of motorcycling and generating market data.

For more information on MIC's extensive benefits, please visit "Join MIC".

These are just a few of the actions and benefits!

  • Supported adoption of an EPA and CARB standards that won't force catalyst technology on all models.
  • Supported exemption for small volume manufacturers from the stringent Tier 2 EPA and CARB emission standards
  • Supported exemptions for custom/kit bikes and display bikes from EPA emissions standards
  • Proposed the recently adopted EPA engine certification program for individuals, small volume manufacturers, and custom built motorcycles
  • Supported the delay of the EPA on-highway tank and fuel line permeation standards until 2010 for small volume manufacturers
  • Provides members with easy access to and assistance in "de-coding" motorcycle state and federal regulations
  • Provides quarterly cruiser retail sales by brand

Downloads
V-Twin Committee

Press Releases
The Motorcycle Industry Council American V-Twin Committee Reports Progress on EPA Engine Certification Program and In-Use Sound Test Procedure
EPA Adopts Engine Certification Option, Based on MIC's Proposal
Certification Procedure for Highway Motorcycle Engines, CISD-06-15 (MC)
MIC American V-Twin Committee Addresses The Urgent Need For An EPA Engine Certification Program
MIC Board of Directors Unanimously Approves Formation of American V-Twin Committee
American V-Twin Committee Introduced at Open Forum in Cincinnati
The MIC American V-Twin Committee Meets to Act on Emissions, Noise and Other Issues Facing this Segment
Five Members Added to MIC American V-Twin Committee

Exhaust and Permeation Emissions Regulations
CARB Aftermarket Critical Emission Control Parts Procedures, Adopted January 22, 2009 (pdf)
CARB Aftermarket Critical Emission Control Parts Procedures, Adopted January 22, 2009
EPA Emissions Regulations
U.S. Environmental Protection Agency (EPA) on-highway motorcycle emissions regulations, certification and compliance.
EPA Engine Certification Guidance Letter
Dear Manufacturer Letter CISD-06-15 entitled, "Certification Procedure for Highway Motorcycle Engines".
EPA Guidance Letters
California Air Resources Board (CARB) On-Highway Motorcycle Emissions Regulations

Equipment Standards and Customs Regulations
Federal NHTSA Motorcycles and Scooter Importation and Certification FAQ's

To download these files, right click the link and select "Save Target As"

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The Motorcycle Industry Council (MIC) is a not-for-profit, national trade association representing manufacturers and distributors of motorcycles, scooters, motorcycle/ATV parts and accessories and members of allied trades, located in Irvine, California.

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