Ronald E Lyons , OH March 02, 2024 Appliance: KitchenAid Mixer KSM90WH Kitchenaid Mixer Ksm90wh: Would not turn on. How to replace Mixer Rubber Foot. Rebuilt the entire mixer after watching Matt's video. The problem was speed governor was burned out. I replaced the armature also. Works great again. Thanks Matt. Ron Do-It-Yourself Rating: Repair Time Estimate: 2+ hours