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§ 86.410-2006 Emission standards for 2006 and later model year motorcycles.
(a)
(1) Exhaust emissions from Class I and Class II motorcycles shall not exceed the standards listed in the following table:
Table E2006–1—Class I and II Motorcycle Emission Standards
| Model year | Emission standards (g/km) | |
|---|---|---|
| HC | CO | |
| 2006 and later | 1.0 | 12.0 |
(2) Exhaust emissions from Class III motorcycles shall not exceed the standards listed in the following table:
Table E2006–2—Class III Motorcycle Emission Standards
| Tier | Model year | Emission standards (g/km) | |
|---|---|---|---|
| HC + NOX | CO | ||
| Tier 1 | 2006–2009 | 1.4 | 12.0 |
| Tier 2 | 2010 and later | 0.8 | 12.0 |
(b) The standards set forth in paragraphs (a) (1) and (2) of this section refer to the exhaust emitted over the driving schedule as set forth in subpart F and measured and calculated in accordance with those procedures.