Maine: First State to Adopt SAE Sound Test

Dec 28, 2011 View Comments by

Maine has adopted a test that allows motorcyclists to prove their bikes don’t violate Maine’s sound law. Motorcyclists cited for loud exhausts can go to a certified inspection station for sound testing, where the exhaust will be tested using Society of Automotive Engineers International J2825 sound testing procedure. Under the SAE J2825 standard, decibel limits range from 92 dBA at idle for all motorcycles, to 100 dBA at certain rpm, depending on engine type. Motorcycles meeting these limits during certified testing do not violate the state’s sound law.

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