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Motorcycle Technical Steering Committee Noise

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Standard

MEASUREMENT OF EXHAUST SOUND LEVELS OF STATIONARY MOTORCYCLES
1993-06-01
HISTORICAL
J1287_199306
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

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

MEASUREMENT OF EXHAUST SOUND LEVELS OF STATIONARY MOTORCYCLES
1988-06-01
HISTORICAL
J1287_198806
This document 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

MEASUREMENT OF EXHAUST SOUND LEVELS OF STATIONARY MOTORCYCLES
1982-03-01
HISTORICAL
J1287_198203
This document establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under stationary conditions. This test will measure primarily exhaust noise, but does not represent the best procedure for evaluating total vehicle noise. For this purpose, SAE Recommended Practice J331a, Sound Levels for Motorcycles, or SAE Recommended Practice J47, Maximum Sound Level Potential for Motorcycles, are 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
1987-05-01
HISTORICAL
J331_198705
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
1975-05-01
HISTORICAL
J331A_197505
This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining sound levels typical of normal motorcycle operation.
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
1993-10-01
HISTORICAL
J47_199310
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.
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.
Standard

Maximum Sound Level Potential for Motorcycles
1998-07-01
HISTORICAL
J47_199807
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.
Standard

Maximum Sound Level Potential for Motorcycles
2005-03-31
HISTORICAL
J47_200503
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.
Standard

MAXIMUM SOUND LEVEL POTENTIAL FOR MOTORCYCLES
1977-08-01
HISTORICAL
J47_197708
This SAE Recommended Practice establishes the test procedure, environment and instrumentation for determining maximum sound level potential for motorcycles.
Standard

MAXIMUM SOUND LEVEL POTENTIAL FOR MOTORCYCLES
1975-05-01
HISTORICAL
J47_197505
This SAE Recommended Practice establishes the test procedure, environment and instrumentation for determining maximum sound level potential for motorcycles.
Standard

Maximum Sound Level Potential for Motorcycles
2020-06-05
CURRENT
J47_202006
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.
Standard

Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles
2009-05-28
HISTORICAL
J2825_200905
This SAE Recommended Practice establishes test procedures, test conditions, environment, and instrumentation for determining the exhaust sound pressure levels of stationary motorcycles. These are based on a comprehensive study of a wide variety of on-highway motorcycles, and therefore are intended to be applied to on-highway motorcycles. For off-highway motorcycles, SAE J1287 continues to be the recommended practice.
Standard

Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles
2020-07-17
CURRENT
J2825_202007
This SAE Recommended Practice establishes test procedures, test conditions, environment, and instrumentation for determining the exhaust sound pressure levels of stationary motorcycles. These are based on a comprehensive study of a wide variety of on-highway motorcycles, and therefore are intended to be applied to on-highway motorcycles. For off-highway motorcycles, SAE J1287 continues to be the recommended practice.
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