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Snowmobiles, Dirt Bikes, and ATVs
This page provides general and technical information about land-based recreational vehicles, such as snowmobiles, nonroad motorcycles (dirt bikes), and all-terrain vehicles (ATVs). Information on recreational marine engines is available on the marine diesel engines page and the marine spark-ignition engines page.
- Regulations
- Certification and Compliance Guidance
- Verify/CDX-Interactive Online Compliance Information System
- Related Links
For further information or assistance regarding this page, please contact EPA's Assessment and Standards Division voicemail at: 734-214-4636 or e-mail: ASDinfo@epa.gov.
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
Regulations
- See the Electronic Code of Federal Regulations (e-CFR) for the full text of current regulations that apply to Large SI engines:
- Emission Standards: 40 CFR Part 1051
- Chassis Emission Testing Procedure: 40 CFR Part 86 Subpart F
- Engine Emission Testing Procedure: 40 CFR Part 1065
- Compliance Provisions: 40 CFR Part 1068
- Proposed Emission Standards (published May 18, 2007)
- Regulation (Entire document PDF) (297 pp, 4M) or:
- Pages 28097-28146 (Also available as a PDF file, 372K)
- Pages 28147-28196 (Also available as a PDF file, 469K)
- Pages 28197-28246 (Also available as a PDF file, 799K)
- Pages 28247-28296 (Also available as a PDF file, 882K)
- Pages 28297-28346 (Also available as a PDF file, 874K)
- Pages 28347-28393 (Also available as a PDF file, 871K)
- Redline version highlighting proposed changes for 40 CFR part 1051 (PDF) (64 pp, 581K), 1065 (PDF) (83 pp, 1.3MB), and 1068 (PDF) (48 pp, 628K)
- Regulation (Entire document PDF) (297 pp, 4M) or:
- Direct Final Rule and Concurrent
Notice of Proposed Rule: Extension of Temporary Exhaust Emission
Test Procedure Option for All Terrain Vehicles (published April 26, 2007)
- Fact Sheet: Extension of Temporary Exhaust Emission Test Procedure Option for All Terrain Vehicles (also available as a PDF file, 2 pp, 90K, EPA420-F-07-022, April 2007)
- Direct Final Rule (also available as a PDF file, 6 pp, 133K, published April 26, 2007)
- Notice of Proposed Rulemaking (also available as a PDF file, 4 pp, 114K, published April 26, 2007)
- Final 2005 Technical Amendments: Procedures for Testing Highway and Nonroad Engines and Omnibus Technical Amendments (published July 13, 2005)
- Fact Sheet: Regulatory Announcement: Changed Test Procedures for Nonroad Engines and Heavy-Duty Highway Engines (also available as a PDF file, 4 pp, 134K, EPA420-F-05-036, July 2005)
- Federal Register Notice: Entire Document (also available as a PDF file, 194 pages, 7.4MB)
- Preamble and 40 CFR Parts 85-94 (PDF), pages 40419-40462 (43 pp, 762K)
- 40 CFR Parts 1039, 1048, 1051, and 1068 (PDF), pages 40462-40516 (55 pp, 986K)
- 40 CFR Part 1065 (PDF), pages 40516-40612 (97 pp, 8.6MB)
- Technical Support Document and Summary & Analysis of Comments (PDF) (115 pp, 1.7MB, EPA420-R-05-008, June 2005)
- See Proposed Technical Ammendments for the proposed rule, fact sheet, and technical support documents (published September 10, 2004)
- Final Emission Standards (published November 8, 2002)
- Fact Sheet: Emission Standards for New Nonroad Engines - Large Industrial Spark-ignition Engines, Recreational Marine Diesel Engines, and Recreational Vehicles (PDF) (7 pp, 409K, EPA420-F-02-037)
- Federal Register Notice (also available as a PDF file, 207 pp, 1.1MB, November 8, 2002)
- Summary and Analysis of Comments: Control of Emissions from Unregulated Nonroad Engines (PDF) (319 pp, 462K, EPA420-R-02-023, September 2002)
- Final Regulatory Support Document: Control of Emissions from Unregulated Nonroad Engines (PDF) (687 pp, 2.5MB, EPA420-R-02-022, September 2002)
- Environmental Impacts of Newly Regulated Nonroad Engines (PDF) (5 pp, 24K, EPA420-F-02-033, September 2002)
- Frequently Asked Questions from ATV Riders (PDF) (4 pp, 400K, EPA420-F-02-038, September 2002)
- Frequently Asked Questions from Off-Highway Motorcycle Riders (PDF) (5 pp, 402K, EPA420-F-02-039, September 2002)
- Frequently Asked Questions: Emission Exemption for Racing Motorcycles and Other Competition Vehicles (PDF) (5 pp, 400K, EPA420-F-02-045, September 2002)
- Frequently Asked Questions from Snowmobile Owners (PDF) (4 pp, 400K, EPA420-F-02-040, September 2002)
- How to Maintain or Rebuild Engines Certified to EPA Standards (PDF) (6 pp, 407K, EPA420-F-02-035, September 2002)
- Plain-Language Format of Emission Regulations for Nonroad Engines (PDF) (6 pp, 405K, EPA420-F-02-046, September 2002)
- Docket index (PDF) (141 pp, 689K, September. 2002)
- Other related documents regarding the final rule are available at: Final Rule for Cleaner Large Industrial Spark-Ignition Engines, Recreational Marine Diesel Engines, and Recreational Vehicles
- See Proposed Emission Standards for the proposed rule, supporting documents, advance notice and findings.
Certification and Compliance Guidance
- Certification and Compliance Guidance and References for 2006 and Later Model Year ATVs/Off-highway Motorcycles Certification and Compliance Program
- Guidance Documents:
- Major Steps of Certification and Compliance for 2006 and Later Model Years All-terrain Vehicles and Off-Highway Motorcycles (Draft) (PDF) (18 pp, 222K, July 2004)
- Recommend Application Format for Certification of Off-highway Motorcycles and All-terrain Vehicles (Draft) (PDF) (14 pp, 219K, July 2004)
- List of Questions for New Manufacturers (Draft) (PDF) (2 pp, 18K, July 2004)
- Request For EPA Exemption of Competition Recreation Vehicles (Draft) (PDF) (1 pg, 40K, October 2004)
- Manufacturer Self Checklist for Application of Certification (PDF) (1 pg, 182K, March 2005)
- Presentations:
- Applicable Regulations for Off-highway Motorcycles and ATVs (PDF) (76 pp, 550K, July 2004)
- Major Steps of Certification and Compliance for 2006 and Later Model Years All-terrain Vehicles and Off-Highway Motorcycles (Draft) (PDF) (16 pp, 47K, July 2004)
- Recommend Application Format for Certification of Off-highway Motorcycles and All-terrain Vehicles (Draft) (PDF) (28 pp, 46K, July 2004)
- Key Technical Amendments to ATV and Off-highway Motorcycle Regulations (PDF) (1 pg, 12K, July 2004)
- EPA Verify/CDX Information System (PDF) (1 pg, 13K, March 2005)
- EPA Verify Demo (PDF) (14 pp, 136K, March 2005)
- Guidance Documents:
Verify/CDX
- Verify/CDX-Interactive Online Compliance Information System (For using EPA interactive website to submit certification related data and files):
- Request for Manufacturer Code Procedures (PDF) (24 pp, 1.9MB, February 28, 2006)
- CDX User Pre-registration Instructions (PDF) (2 pp, 27K, February 28, 2006)
- CDX User Pre-registration Form (XLS) (2 pp, 17K, February 28, 2006)
- Draft CDX User’s Guide (PDF) (157 pp, 9.9MB, February 28, 2006)
- Subscribe to the Verify Listserver to get updated information on Verify.
- For further information regarding the ATVs/Off-highway Motorcycles Certification and Compliance information, e-mail: MC-Cert (MC-cert@epa.gov)
Related Links
- Diesel Boats and Ships
- Gasoline Boats and Personal Watercraft
- Compliance Fees
- Importing Vehicles and Engines
- Workshop Handouts - Draft Guidance for Off-Highway motorcycles, ATVs and utility Vehicles
- Annual Certification Test Results and Data