SAE J331A-1975
SOUND LEVELS FOR MOTORCYCLES

Standard No.

SAE J331A-1975

Release Date

1975

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2012-01

Replace By

SAE J331-1987

Latest

SAE J331-2020

Scope

This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining sound levels typical of normal motorcycle operation.

SAE J331A-1975 history

• 2020 SAE J331-2020 Sound Levels for Motorcycles
• 2012 SAE J331-2012 Sound Levels for Motorcycles
• 2000 SAE J331-2000 Sound Levels for Motorcycles
• 1987 SAE J331-1987 Sound Levels for Motorcycles
• 1975 SAE J331A-1975 SOUND LEVELS FOR MOTORCYCLES