Harry S Muskegon , MI February 16, 2016 Appliance: KitchenAid Mixer KP50P Kitchenaid Mixer Kp50p: Kitchenaid mixer motor would not maintain speed or torque. How to replace Speed Governor. I replaced the governor. Adjusted control plate to achieve proper speed appears to work OK. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes