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.
Rationale:
This Revised Document has been changed as follows:
a
Format has been changed to comply with the new SAE Technical Standards Board Format.
b
References have been updated.
c
Specifications for sound level meter calibrator have been added.
d
The specification for the microphone windscreen has been changed.
e
The term “sound level” has been replaced with “sound pressure level” throughout the document to avoid possible confusion with sound power level.
f
Figure 1 had been redrawn.
g
The English unit dimensions have been changed slightly for consistency with SAE J47.
Related Topics:
Automatic transmissions
Manual transmissions
Vehicle acceleration
Two or three wheeled vehicles
Also known as: SAE J 331
SAE MOBILUS
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