Yamaha Sound Suppression System (Ysss) - Yamaha WaveRunner FX140 Service Manual

YAMAHA SOUND SUPPRESSION SYSTEM (YSSS)

To reduce noise, the sound suppression system is installed to the intake and exhaust systems.
To reduce intake noise, intake boxes are equipped near the hood.
To reduce exhaust noise, a resonator is equipped to the exhaust system.
Fig. 13
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