Yamaha All New R15 VVA Stationary Noise

Published: 23 June 2020| Version 1 | DOI: 10.17632/j8hsk3mb22.1
Budi Purwanto


Difference of Stationary Noise Level with Three Muffler Variation (standard, Modification with dB Killer attached and off) The measurement use the UN ECE Regulation 41, using Bruel & Kjaer 2250 as the main instrument . The data show that the modification of muffler is effecting the noise level, and the dB Killer is reducing it in significant value.