Honda FF500 Owner's Manual page 67

Noise and vibration
Sound pressure level at operator's ears
(pr EN 1553: 1996)
Uncertainty
Measured sound power level
(pr EN 1553: 1996)
Uncertainty
Vibration level at hand arm
(EN 709: 1997+A4: 2009)
Uncertainty
(EN12096: 1997 Annex D)
NOTE:
Specifications are subject to change without notice due to improvements.
64
77 dB (A)
3 dB (A)
90 dB (A)
2 dB (A)
2
5.9 m/s
2
2.4 m/s