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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
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 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

Motorcycle Terminology
2019-09-24
CURRENT
J3133_201909
The motorcycle terminology presented herein addresses two-wheel single track vehicles, as well as motorized three wheel cycles. Although two-wheeled, single track scooters and mopeds are similar to traditional motorcycles, they have many characteristics which differentiate them from motorcycles, and while some terms will apply, this Terminology addresses motorcycles specifically, unless otherwise noted. Likewise, some three wheel cycles may have some similar design features and share components with motorcycle, the dynamics and handling of three wheel vehicles differs from two wheel, single track motorcycles.
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
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.
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