New Hampshire Revised Statutes 266:59-a – Motorcycle Noise Levels
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I. No person shall operate in this state any motorcycle which produces a sound level in excess of the following decibels, when measured in accordance with the provisions of the SAE International Recommended Practice SAE J2825, “Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles”:
(a) For all motorcycles, 92 decibels while the engine is operating at idle speed; or
(b) 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
(c) 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.
II. No person shall pass for the purposes of the inspection required by N.H. Rev. Stat. § 266:1 any motorcycle which produces a sound level in excess of the following decibels, when measured in accordance with the provisions of the SAE International Recommended Practice SAE J2825, “Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles”:
(a) For all motorcycles, 92 decibels while the engine is operating at idle speed; or
(b) 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
(c) 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.
III. Any person who violates the provisions of this section shall be guilty of a violation and shall be fined not less than $100 nor more than $300.
(a) For all motorcycles, 92 decibels while the engine is operating at idle speed; or
Terms Used In New Hampshire Revised Statutes 266:59-a
- following: when used by way of reference to any section of these laws, shall mean the section next preceding or following that in which such reference is made, unless some other is expressly designated. See New Hampshire Revised Statutes 21:13
- Motorcycle: shall mean every motor vehicle having a seat or saddle for the use of the rider and designed to travel on not more than 3 wheels in contact with the ground, but excluding electric bicycles, tractors, and mopeds. See New Hampshire Revised Statutes 259:63
- Person: shall mean the same as provided in N. See New Hampshire Revised Statutes 259:74
- State: shall mean :
I. See New Hampshire Revised Statutes 259:106
(b) 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
(c) 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.
II. No person shall pass for the purposes of the inspection required by N.H. Rev. Stat. § 266:1 any motorcycle which produces a sound level in excess of the following decibels, when measured in accordance with the provisions of the SAE International Recommended Practice SAE J2825, “Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles”:
(a) For all motorcycles, 92 decibels while the engine is operating at idle speed; or
(b) 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
(c) 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.
III. Any person who violates the provisions of this section shall be guilty of a violation and shall be fined not less than $100 nor more than $300.