540 CMR, § 3.02

Current through Register 1536, December 6, 2024
Section 3.02 - Allowable Noise Levels for Motorcycles
(1)Statutory Standard for Motorcycles intended for use in the Commonwealth. No person shall operate a motorcycle within the Common wealth unless it complies with the noise standards contained in M.G.L. c. 90, § 7U.
(2)Registry of Motor Vehicles stationary noise level testing. The Registrar adopts the following stationary noise levels which correlate with the non-stationary levels established by M.G.L. c. 90, § 7U.
(a) Motorcycles required to be registered under M.G.L. c. 90, § 2 for operation on the ways of the commonwealth shall not exceed the following noise levels when operated at % redline speed:

99 dBA if manufactured after 1/1/86

102 dBA if manufactured before 1/1/86

(b) Off-road motorcycles required to be registered under M.G.L. c. 90B shall not exceed 105d BA when operated at % redline speed.
(c) For purposes of 540 CMR 3.00, redline speed is defined as the lowest numerical engine speed included in the red-zone of the motorcycle tachometer. If the particular motorcycle has no tachometer, a hand held tachometer meeting the specifications of 540 CMR 3.03(4) shall be used together with % of the redline speed as specified by the manufacturer of the particular motorcycle.

540 CMR, § 3.02