New Hampshire Code of Administrative Rules
Saf - Department of Safety
Subtitle Saf-C - Commissioner, Department of Safety
Chapter Saf-C 3200 - OFFICIAL MOTOR VEHICLE INSPECTION REQUIREMENTS
Part Saf-C 3236 - MOTORCYCLE EXHAUST SYSTEM
Section Saf-C 3236.03 - Noise Limits

Universal Citation: NH Admin Rules Saf-C 3236.03

Current through Register No. 40, October 3, 2024

(a) Each inspection station shall use a decibel meter to measure muffler noise emissions.

(b) Notwithstanding the provisions of Saf-C 3206.01, sound testing shall be done in accordance with the provisions of the SAE International Recommended Practice J2825, "Measurement of exhaust sound, pressure levels of stationary on highway motorcycles," pursuant to RSA 266:59-a.

(c) A motorcycle shall be rejected if sound emissions exceed:

(1) Ninety-two decibels while the engine is operating at idle speed;

(2) For motorcycles with less than 3 or more than 4 cylinders, 96 decibels while the engine is operating at 2,000 revolutions per minute or 75 percent of maximum engine speed, whichever is less; or

(3) For 3 and 4 cylinder motorcycles, 100 decibels while the engine is operating at 5,000 revolutions per minute or 75 percent of maximum engine speed, whichever is less.

(d) An autocycle as defined in RSA 259:4-d shall not be considered a motorcycle for purposes of 3236.03.

(See Revision Notes at chapter heading Saf-C 3200) #8915, eff 6-22-07

Disclaimer: These regulations may not be the most recent version. New Hampshire may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.