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Replacing the Motor on an Electric RC

From Michael James,
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What You Need

Replacing Electric RC Motor
Replacing an Electric RC Motor is an Easy Upgrade
Photo © M. James
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Changing the motor in an electric RC is a fairly simple modification. You may need to change the motor because the old one is dead. Or, you might want to get a more powerful motor or get more torque from the motor. If you are going for more torque you will want to add a smaller pinion gear to the motor. A smaller pinion gear will cost you some speed so keep that tradeoff in mind.

To replace the motor on your electric RC you'll need:

  • Small hex wrench
  • Phillips head screwdriver
  • Tire lug wrench
  • Quick-connecting terminals or soldering equipment (see Step 6)
  • Electric RC Motor

This step-by-step tutorial shows a motor replacement on the Traxxas Electric Stampede Monster Truck. The process will be the same or similar for any hobby-grade electric RC car or truck.

  1. What You Need
  2. Remove the Gear Box Cover
  3. Remove the Motor
  4. Disconnect Power Leads, Remove Pinion Gear
  5. Install Pinion Gear On New Motor
  6. Install the New Power Leads
  7. Install the New Motor
  8. Set Gapping Between Gears
  9. Put Everything Back Together

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