Yamaha MM8
Released in 2008Yamaha's MM8 is an 88-note 'Mini-Motif' workstation synthesizer.

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We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.
This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.
We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

Replacement Keys

Button set, 2 buttons, Yamaha
$7.95 (Part #7952)
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$7.95 (Part #7952)

Button set, 3 buttons, Yamaha
$8.95 (Part #7951)
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$8.95 (Part #7951)

Button set, 4 buttons, Yamaha
$9.95 (Part #7950)
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$9.95 (Part #7950)

Button, Yamaha
$5.95 (Part #7954)
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$5.95 (Part #7954)

Contact strip, 12-note, Yamaha
$14.95 (Part #CS3468)
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$14.95 (Part #CS3468)

Contact strip, 4-note
For lowest 4 keys
$12.95 (Part #CS3467)
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For lowest 4 keys
$12.95 (Part #CS3467)

Display, LCD, Yamaha
$159.95 (Part #3653)
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$159.95 (Part #3653)

Encoder
$11.95 (Part #3465)
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$11.95 (Part #3465)

Encoder knob, Yamaha
$9.95 (Part #1375)
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$9.95 (Part #1375)

Hammer weight, black key #1, Yamaha
$6.95 (Part #6790)
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$6.95 (Part #6790)

Hammer weight, black key #2, Yamaha
$6.95 (Part #6791)
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$6.95 (Part #6791)

Hammer weight, black key #3, Yamaha
$6.95 (Part #6792)
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$6.95 (Part #6792)

Hammer weight, black key #4, Yamaha
$6.95 (Part #6793)
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$6.95 (Part #6793)

Hammer weight, white key #1, Yamaha
$6.95 (Part #6786)
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$6.95 (Part #6786)

Hammer weight, white key #2, Yamaha
$6.95 (Part #6787)
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$6.95 (Part #6787)

Hammer weight, white key #3, Yamaha
$6.95 (Part #6788)
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$6.95 (Part #6788)

Hammer weight, white key #4, Yamaha
$6.95 (Part #6789)
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$6.95 (Part #6789)

IC, 74HC04 hex buffer
$2.95 (Part #2272)
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$2.95 (Part #2272)

IC, 74HC4051E multiplexer switch
$2.95 (Part #3301)
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$2.95 (Part #3301)

Jack board, Yamaha
$129.95 (Part #3594)
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$129.95 (Part #3594)

Key actuator pad, rubber, Yamaha
$2.95 (Part #1268)
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$2.95 (Part #1268)

Key actuator pad, rubber, Yamaha
$2.95 (Part #11388)
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$2.95 (Part #11388)

Key contact board, 24-note (High), Yamaha
$34.95 (Part #2206)
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$34.95 (Part #2206)

Key contact board, 28-note (Low), Yamaha
$34.95 (Part #2205)
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$34.95 (Part #2205)

Key contact board, 36-note (Mid), Yamaha
$37.95 (Part #2204)
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$37.95 (Part #2204)

Keybed cushion, 88-note
(Hammers strike against this)
$24.95 (Part #5284)
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(Hammers strike against this)
$24.95 (Part #5284)

Keybed cushion, Yamaha
(Hammers rest against this)
$26.95 (Part #5297)
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(Hammers rest against this)
$26.95 (Part #5297)

Knob, rotary, Yamaha
$7.95 (Part #3456)
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$7.95 (Part #3456)

Main board, Yamaha MM8
$329.95 (Part #10444)
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$329.95 (Part #10444)

Phone jack, 1/4-inch, 3-pin PCB mount
For Outputs, Sustain
$10.95 (Part #4334)
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For Outputs, Sustain
$10.95 (Part #4334)

Phone jack, 1/4-inch, 4-pin PCB mount
For Foot Controller, Headphones
$10.95 (Part #4177)
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For Foot Controller, Headphones
$10.95 (Part #4177)

Pitch bend/mod wheel, Yamaha
$9.95 (Part #4963)
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$9.95 (Part #4963)

Potentiometer, 10KB rotary
For Cutoff, Resonance, Attack, Release
$9.95 (Part #3705)
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For Cutoff, Resonance, Attack, Release
$9.95 (Part #3705)

Potentiometer, 10KB rotary
For Contrast
$8.95 (Part #1159)
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For Contrast
$8.95 (Part #1159)

Potentiometer, 10KB rotary
For mod wheel
$9.95 (Part #3479)
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For mod wheel
$9.95 (Part #3479)

Potentiometer, 10KB rotary with center tap
For pitch bend wheel
$9.95 (Part #3713)
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For pitch bend wheel
$9.95 (Part #3713)

Potentiometer, 5KAx2 rotary
For Volume
$8.95 (Part #5897)
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For Volume
$8.95 (Part #5897)

Power adapter, 12VDC, 2A
$29.95 (Part #PA1003)
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$29.95 (Part #PA1003)

Power inlet jack
$5.95 (Part #3062)
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$5.95 (Part #3062)

Power switch cap, black, round
$6.95 (Part #5701)
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$6.95 (Part #5701)

Power switch, pushbutton
$10.95 (Part #3792)
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$10.95 (Part #3792)

Pushbutton tact switch, 7mm, 2-pin
$1.95 (Part #2098)
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$1.95 (Part #2098)

Rubber foot, 3/4-inch tall
$4.95 (Part #2842)
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$4.95 (Part #2842)

Style 64T key, textured black keys
$18.95 (Part #K64TBL)
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$18.95 (Part #K64TBL)

Style 64U key, bottom A note
$9.95 (Part #K64UAB)
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$9.95 (Part #K64UAB)

Style 64U key, lowest B note
$9.95 (Part #K64UBB)
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$9.95 (Part #K64UBB)

Style 64U key, top C note
$9.95 (Part #K64UC8)
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$9.95 (Part #K64UC8)

Style 64U keys, C-E-G-B group
$15.95 (Part #K64UC)
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$15.95 (Part #K64UC)

Style 64U keys, D-F-A group
$15.95 (Part #K64UD)
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$15.95 (Part #K64UD)

USB connector
$6.95 (Part #3487)
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$6.95 (Part #3487)