---
kind: "section"
citation: "40 C.F.R. § 86.402-98"
title: "40"
number: "86.402-98"
heading: "Definitions."
url: "https://uscodex.org/cfr/40/86.402-98"
---

# §86.402-98. Definitions.


The definitions of [§ 86.402-78](/cfr/40/86.402-78.md) apply to this subpart. The following definition in this section is applicable beginning with the 1998 model year:

Designated Compliance Officer means the Manager, Engine Programs Group (6405-J), U.S. Environmental Protection Agency, 1200 Pennsylvania Ave., Washington, DC 20460.

Motorcycle means any motor vehicle with a headlight, taillight, and stoplight and having: Two wheels, or Three wheels and a curb mass less than or equal to 793 kilograms (1749 pounds).

Motor vehicle has the meaning we give in [40 CFR 85.1703](/cfr/40/85.1703.md).

Useful life is defined for each class (see [§ 86.419](/cfr/40/86.419.md)) of motorcycle:

- (1) **Class I-A—** 5.0 years or 6,000 km (3,728 miles), whichever occurs first.
- (2) **Class I-B—** 5.0 years or 12,000 km (7,456 miles), whichever occurs first.
- (3) **Class II—** 5.0 years or 18,000 km (11,185 miles), whichever occurs first.
- (4) **Class III—** 5.0 years or 30,000 km (18,641 miles), whichever occurs first.

## Notes

### Amendments

[63 FR 11849, Mar. 11, 1998, as amended at 69 FR 2435, Jan. 15, 2004]

### Source

Source: 42 FR 1126, Jan. 5, 1977, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401-7671q.

### Amendments

[63 FR 11849, Mar. 11, 1998, as amended at 69 FR 2435, Jan. 15, 2004]