Yamaha KX88

Released in 1985

The KX88 is an 88-note MIDI controller with weighted keys that was hugely popular during the 80s and 90s.

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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.

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AC power socket, 2-blade
AC power socket, 2-blade
$14.95 (Part #4415)
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Aftertouch strip, 88-note
Aftertouch strip, 88-note
$39.95 (Part #6424)
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Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4311)
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Breath control board, Yamaha
Breath control board, Yamaha
$14.95 (Part #3136)
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Button, Yamaha
Button, Yamaha
$0.95 (Part #3003)
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Cheek block, Yamaha
Cheek block, Yamaha
$14.95 (Part #3137)
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End cap, left, Yamaha
End cap, left, Yamaha
$34.95 (Part #3131)
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End cap, right, Yamaha
End cap, right, Yamaha
$34.95 (Part #3132)
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IC, 4053 multiplexer switch
IC, 4053 multiplexer switch
$2.95 (Part #3413)
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IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
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IC, 74LS14N hex Schmitt trigger
IC, 74LS14N hex Schmitt trigger
$2.95 (Part #4420)
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IC, M58990P A/D converter
IC, M58990P A/D converter
$26.95 (Part #3924)
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IC, TC40H032 quad 2-input OR gate
IC, TC40H032 quad 2-input OR gate
$5.95 (Part #2659)
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IC, TC40H138 decoder/demultiplexer
IC, TC40H138 decoder/demultiplexer
$18.95 (Part #2661)
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IC, TLP552 optocoupler
IC, TLP552 optocoupler
$4.95 (Part #9845)
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Jack board, Yamaha KX88
Jack board, Yamaha KX88
$36.95 (Part #3129)
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Key contact board, 40-note (Low)
Key contact board, 40-note (Low)
$64.95 (Part #3121)
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Key contact board, 48-note (High)
Key contact board, 48-note (High)
$74.95 (Part #3120)
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Key pivot, black key
Key pivot, black key
$1.95 (Part #3123)
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Key pivot, white key
Key pivot, white key
$1.95 (Part #3122)
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Key return flat springs, pkg of 10
Key return flat springs, pkg of 10
$5.95 (Part #KYSP12)
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Keybed cushion, black keys, 88-note keybed
Keybed cushion, black keys, 88-note keybed
(Keys rest against this)
$16.95 (Part #1748)
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Keybed cushion, white keys, 88-note keybed
Keybed cushion, white keys, 88-note keybed
(Keys rest against this)
$16.95 (Part #1747)
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Main board, Yamaha KX88
Main board, Yamaha KX88
$149.95 (Part #3124)
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Mod wheel assembly, Yamaha
Mod wheel assembly, Yamaha
$19.95 (Part #3134)
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Music stand mount, Yamaha
Music stand mount, Yamaha
$4.95 (Part #3139)
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Panel board, Yamaha KX88
Panel board, Yamaha KX88
$34.95 (Part #3126)
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Panel overlays, Yamaha KX88
Panel overlays, Yamaha KX88
$99.95 (Part #10037)
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Pedal, damper-style
Pedal, damper-style
For FS1, FS2
$34.95 (Part #VFP115)
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Pedal, Expression/Control
Pedal, Expression/Control
For FC1, FC2
$52.95 (Part #VP26U)
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Pitch bend wheel assembly, Yamaha
Pitch bend wheel assembly, Yamaha
$19.95 (Part #3133)
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Pitch bend/mod wheel panel, Yamaha
Pitch bend/mod wheel panel, Yamaha
$16.95 (Part #3135)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For mod wheel
$9.95 (Part #3479)
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Potentiometer, 10KB rotary with center tap
Potentiometer, 10KB rotary with center tap
For pitch bend wheel
$10.95 (Part #3713)
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Power cord, 2-blade
Power cord, 2-blade
$15.95 (Part #PCJ)
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Power supply board, Yamaha
Power supply board, Yamaha
$59.95 (Part #3125)
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Power switch, rocker type
Power switch, rocker type
$6.95 (Part #4289)
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Pushbutton tact switch, 7.3mm, 4-pin
Pushbutton tact switch, 7.3mm, 4-pin
$2.95 (Part #4377)
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Pushbutton tact switches, set of 10
Pushbutton tact switches, set of 10
$21.95 (Part #4377X)
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Ribbon cable assembly
Ribbon cable assembly
$19.95 (Part #3138)
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Rubber foot, 3/8-inch tall
Rubber foot, 3/8-inch tall
$1.95 (Part #3127)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
$19.95 (Part #3034)
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Slider knob, Yamaha
Slider knob, Yamaha
$9.95 (Part #4591)
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Slider panel, Yamaha
Slider panel, Yamaha
$7.95 (Part #1892)
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Style 47W key, black note
Style 47W key, black note
$10.95 (Part #K47WBL)
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Style 47W key, bottom A note
Style 47W key, bottom A note
$18.95 (Part #K47WAB)
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Style 47W key, note A
Style 47W key, note A
$12.95 (Part #K47WA)
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Style 47W key, note B
Style 47W key, note B
$12.95 (Part #K47WB)
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Style 47W key, note C
Style 47W key, note C
$12.95 (Part #K47WC)
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Style 47W key, note D
Style 47W key, note D
$12.95 (Part #K47WD)
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Style 47W key, note E
Style 47W key, note E
$12.95 (Part #K47WE)
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Style 47W key, note F
Style 47W key, note F
$12.95 (Part #K47WF)
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Style 47W key, note G
Style 47W key, note G
$12.95 (Part #K47WG)
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Style 47W key, top C note
Style 47W key, top C note
$18.95 (Part #K47WC8)
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