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Standard

Measurement of Exhaust Sound Levels of Stationary Motorcycles

1998-07-01
HISTORICAL
J1287_199807
This SAE Standard establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under stationary conditions. This test will measure primarily exhaust noise and does not represent the optimum procedure for evaluating total vehicle noise. For this purpose, SAE J331 or SAE J47 is recommended.
Standard

Sound Levels for Motorcycles

2020-07-17
CURRENT
J331_202007
This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under full throttle acceleration and closed throttle deceleration.
Standard

Sound Levels for Motorcycles

2000-01-24
HISTORICAL
J331_200001
This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under full throttle acceleration and closed throttle deceleration.
Standard

MAXIMUM SOUND LEVEL POTENTIAL FOR MOTORCYCLES

1986-06-01
HISTORICAL
J47_198606
This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining the maximum sound level potential for motorcycles under wide open throttle acceleration and closed throttle deceleration.
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