Models > KSM90

KSM90 KitchenAid Mixer - Overview

Sections of the KSM90

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Retaining Ring – Part Number: WP9703438
Retaining Ring
★★★★★
★★★★★
(3)
PartSelect #: PS11746909
Manufacturer #: WP9703438
This part is a retaining ring, sometimes called a retaining clip, that holds the drum support roller onto the shaft of a dryer. It is made entirely of metal and measures less than an inch in diameter....
$7.88
  In Stock
Motor Brush – Part Number: WPW10380496
Motor Brush
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★★★★★
(19)
PartSelect #: PS11753983
Manufacturer #: WPW10380496
Used on Stand Mixers. Sold Individually.
$13.52
  In Stock
Worm Gear – Part Number: WPW10112253
Worm Gear
★★★★★
★★★★★
(35)
PartSelect #: PS11748374
Manufacturer #: WPW10112253
This worm gear is an inch and a half in diameter. It is used for some of Whirlpool's brands of mixers.
$20.99
  In Stock
Flat Beater – Part Number: WPW10672617
Flat Beater
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(33)
PartSelect #: PS11757063
Manufacturer #: WPW10672617
This Flat Beater Part Number WPW10672617 is for Stand Mixers. Attaches to the beater shaft and is for normal to heavy mixtures such as cake batters or cookie dough. This has a powder coated finish.
$26.98
  In Stock
Wire Whip Mixer – Part Number: WP9704329
Wire Whip Mixer
★★★★★
★★★★★
(16)
PartSelect #: PS11746928
Manufacturer #: WP9704329
This wire whip is for stand mixers. Wire whip attaches to the beater shaft and incorporates air into cream, eggs and frostings. Follow the instructions in the owner's manual for using and installing this part.
$31.74
  In Stock
Foot – Part Number: WP9709707
Foot
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★★★★★
(7)
PartSelect #: PS11747035
Manufacturer #: WP9709707
Sold individually.
$8.77
  In Stock
Worm Gear and Bracket – Part Number: WP240309-2
Worm Gear and Bracket
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★★★★★
(19)
PartSelect #: PS11740516
Manufacturer #: WP240309-2
Used for Kitchenaid Mixers.
$36.55
  In Stock
Thumb Screw - Black – Part Number: WP9709194
Thumb Screw - Black
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★★★★★
(16)
PartSelect #: PS11747009
Manufacturer #: WP9709194
This part is used with the stand mixers attachments, as well as to hold the end cap to the front of the mixer.
$23.40
  In Stock
Speed Control Plate – Part Number: WPW10119326
Speed Control Plate
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★★★★★
(13)
PartSelect #: PS11748567
Manufacturer #: WPW10119326
Used in Mixers.
$22.91
  In Stock
Retaining Pin – Part Number: WP9707223
Retaining Pin
★★★★★
★★★★★
(2)
PartSelect #: PS11746974
Manufacturer #: WP9707223
This part works in conjunction with the worm and bevel gear.
$9.03
  In Stock
Stand Mixer Gear Grease – Part Number: W11200218
Stand Mixer Gear Grease
★★★★★
★★★★★
(3)
PartSelect #: PS12583821
Manufacturer #: W11200218
This Stand Mixer Gear Grease lubricates the moving parts of the stand mixer.
$65.05
  In Stock
Transmission Case Gasket – Part Number: WP4162324
Transmission Case Gasket
★★★★★
★★★★★
(6)
PartSelect #: PS11742306
Manufacturer #: WP4162324
This part is used with Kitchenaid Mixers.
$20.48
  In Stock

Questions And Answers for KSM90

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Lee
February 21, 2020
Will not stay running and sometimes will not even come on. My mom said it was sparking last time she used it....help
For model number KSM90
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Hello and thank you for writing. It certainly sounds like a faulty speed control Lever PS2325454 and/or possibly a faulty motor brush PS11753983 you should check the part(s) for signs of damage or test with a multimeter, and replace the part(s) as needed. We hope this helps. Please contact us anytime if you require further assistance.

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Fred
December 21, 2023
When I lift the head to remove the bowl, brown fluid oil leaks out by the stand arm.. it comes down the fixture shaft. What should I do?
For model number KSM90
PartSelect logo
Hello Fred, thank you for contacting us. We have researched and found that when the grease inside the gearbox of a mixer separates, the liquid part of the grease can leak out of the mixer as an oil. We would recommend replacing the grease, part number PS12583821, inside the gearbox, to solve the problem. We hope this helps!

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Stephen
December 17, 2019
Will not turn on. Was not turning with any power. Changed brushes and it stopped working completely. Does nothing when turned on.
For model number KSM90
PartSelect logo
Hello Stephen and thanks for writing. It certainly sounds like a faulty Lever PS2325454 check for signs of damage and replace it if needed. We hope this helps. Please contact us anytime.

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Tom
October 21, 2021
Got this mixer from daughter because it wont turn on. Checked power cord with voltmeter and its getting electricity. What should i check next.
For model number KSM90
PartSelect logo
Hello Tom, Thank you for the question. We suggest checking the Motor Brushes for wear. When worn the motor will not start. We hope this helps!

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Andy
December 22, 2022
We have used this mixer for a long time without problems. Now the bowl is stuck to the base and we cannot remove it. We have tried to turn it counterclockwise per instructions but we can't get it to move at all. Do you have any suggestions on how we can get the bowl released from the mixer base? Thank you
For model number KSM90
PartSelect logo
Hi Andy, thank you for getting in touch. Place a wet, warm towel around the bottom of the bowl for 10 minutes. Re-warm it after 10 minutes, put it on again, and let it sit for another 1-2 minutes. This will rewarm the stainless steel, causing it to expand. After this time, try to wiggle and remove the bowl. Another method is to try applying mineral oil to the bottom of the bowl near the crease where the bowl attaches to the base plate. The mineral oil may lubricate the bowl enough to allow it to come loose. If you do not have mineral oil, use vegetable oil cooking spray instead. If you use vegetable oil, make sure to clean the base plate very thoroughly after the bowl is removed because vegetable oil can become very sticky over time. If neither of these techniques works, you can try wrapping the bowl in a towel and gently tapping the handle with a rubber mallet. We hope this solves your problem!

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Common Symptoms of the KSM90

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Noisy
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Fixing
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Touchpad does not respond
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Speed Control Lever KNOB BROKEN
Pulled the Knob off of the new Lever then pressed it on the old Lever. I had to order the whole lever because it was the part nearest the knob in the illustrated parts break-down. I RECOMMEND THAT THE KNOB BE ADDED TO THE ILLUSTRATED PARTS BREAK-DOWN.
Parts Used:
Speed Control Lever
  • Robert from Minot, ND
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers
152 of 191 people found this instruction helpful.
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motor would run but mixer wouldn't operate: broken worm gear
My girlfriends' stand mixer failed when the accessory drive cap fell into the mixing bowl and jambed the beater, spliting the worm gear. The teeth on this gear are made of nylon and are molded to an aluminum center. This part is designed to fail in situations like this, saving the more expensive transmission parts. Following a repair manual I found online, I first removed the rear cover and pulled out the cord strain relief out from the base. Next I removed the drip cup from around the base of the planetary drive. I then used a pin punch to drive out the pin holding the planetary to the center shaft and removed the planetary. The unit was then inverted and I removed 4 screws holding the bottom cover to the gear case, and the 5 screws from around the planetary drive. The bottom cover was then lifted off. Three screws holding the worm gear bracket in place were then removed and the worm gear assembly lifted out. A small pin holds the worm gear to the shaft. I drove this out with a small pin punch and the shaft and worm gear were then removed. There is also a thrust washer on this shaft, and it's location is important. Make a note for re-assembly. The new gear was installed and the entire process reversed for re-assembly. A successful repair completed! My girlfriend would have replaced this $200 appliance, but I was able to repair it for less than $30 including shipping.
Parts Used:
Worm Gear
  • Raymond from Shirley, MA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
81 of 84 people found this instruction helpful.
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Mixer was making clunking sounds and shaking
I removed screws in a sequence that I felt wouldn't further damage the mixer until I had it completely unassembled. When I found the broken worm gear, I went online to find a part. I found an exploded view, but the part numbering was old, and the salesperson couldn't tell me what the worm gear and bracket assembly consisted of, as I only wanted the worm gear. After trying to drive the pin out of the assembly, and failing, I decided to back online and see if anyone else had a photo of the assembly. Luckily (and wisely) PartSelect,com did and that answered any questions I had. The price was better, too. Reassembly of the mixer was a cinch with the exploded view. It's working like new, and we're hoping for another 35 years of service from it! Thanks.
Parts Used:
Motor Brush Worm Gear and Bracket
  • Robert from Minden, NV
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers
84 of 94 people found this instruction helpful.
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