WY729500 Rotary knob for Yamaha S80 MOTIF XS6 XS7 XS8 S70-XS S90-XS Rotary knob for Yamaha: S70-XS S80 S90-XS MOTIF XS6 XS7 XS8 MOTIF XF6 MOTIF XF7 MOTIF XF8 Part no: WY729500 (replaces the old part no WJ414900).
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