This standard specifies the limit value and measurement method of noise during acceleration of motorcycles (except racing cars). It also stipulates the measurement method of motorcycle noise at fixed position.
GB 4569-2000 history
2005GB 16169-2005 Limit and measurement method of noise emitted by accelerating Motorcycles and Mopeds
2000GB 16169-2000 Limits and measurement of noise emitted by mopeds
1996GB 4569-1996 Measurement of noise emitted by motorcycles and mopeds