Findings:
- Yamaha YTR-2320
- Yamaha DX9
- Yamaha TX7
- Yamaha DX21
- Yamaha YZF-R6
- Yamaha DX1
- Yamaha DX5
- Yamaha FB-01
- Yamaha TX81Z
- Yamaha DX11
- Yamaha KX5
- Yamaha DS10 MIDI Drum Kit
- Yamaha SW1000XG
- Yamaha DS2416
- Yamaha DJX
- Yamaha RBX-200
- Yamaha DS9XP DTXpress MIDI Drum Kit
- Yamaha MD8 MiniDisc Digital Recorder
- Yamaha PSR 300M
- yamaha (user)
- Yamaha QY20
- Yamaha SY35
- Yamaha FZ-1
- Yamaha MOTIF
- Yamaha VL70m
- Yamaha PSR-6700
- Yamaha RBX270
- Yamaha 01X
- Yamaha FS1-E
- Yamaha CS-10
- C#7
- C-7 Series mouse
- ECO chess codes C7
- c7 (user)
- Yamaha DX7
- Yamaha
- Yamaha XJ Maxim 700
- Yamaha C1
- Yamaha CS1x
- Yamaha RM1X
- Yamaha CS-15
- Yamaha CS-15D
- Yamaha CS-5
- C7
- Yamaha CS-30
- Yamaha CS-30L
- Yamaha CS-20M
- Yamaha GX-1
- Yamaha CS-80
- Yamaha SY-1
- Yamaha SY-2
- Yamaha CS-60
- Yamaha CS-70M
- Yamaha CS-40M
- Yamaha DX100
- Yamaha DX27
- Yamaha DX27S
If you Log in you could create a "Yamaha C7" node. If you don't already have an account, you can register here.