40 CFR § 205.171-3 - Test motorcycle sample selection.

---
identifier: "/us/cfr/t40/s205.171-3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 205.171-3 - Test motorcycle sample selection."
title_number: 40
title_name: "Protection of Environment"
section_number: "205.171-3"
section_name: "Test motorcycle sample selection."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "G"
subchapter_name: "NOISE ABATEMENT PROGRAMS"
part_number: "205"
part_name: "TRANSPORTATION EQUIPMENT NOISE EMISSION CONTROLS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 6, 10, 11, 13, Pub. L. 92-574, 86 Stat. 1234 (42 U.S.C. 4905, 4909, 4910, 4912)."
regulatory_source: "41 FR 15544, Apr. 13, 1976, unless otherwise noted."
cfr_part: "205"
---


# 205.171-3 Test motorcycle sample selection.

A test motorcycle to be used for selective enforcement audit testing of exhaust systems must be a motorcycle of the subject class which has been assembled using the manufacturer's normal production process, in stock configuration including exhaust system, and sold or offered for sale in commerce.