Ever wanted to know how to break in a motor? I will not be telling you how you should break in your motor, I will tell you various methods and you can choose for your self.
Method 1: Water dip.
Grab a jar of water. Submerge motor in water completely except for wires. Attach 2-3v power source. Run until brushes are broken in completely. Do Not take out without switching power source off first. Clean Motor with motor spray or co-contact cleaner thoroughly to remove water. Oil Bushings.
Method 2: Dry Run.
Attach motor to 2-3v power source, oil bushings. Leave running 8-12 hours oiling bushings periodically. Clean comm with Brasso and clean motor with motor spray afterwards.
Method 3: Slave Run.
Attach an old motor to new motor via the piece of tube on the end of the motor's shaft. Connect old motor to 2-5v power supply. run for 8-12 hours. Polish comm with brasso. Clean motor with motor spray.
After this all that is left is to install in your car and choose gear ratio, I recommend using a gear ratio that is slightly less than your usual one. And now that you have a new motor with a (hopefully) shiny comm, I recommend cleaning between rounds with brasso. For a gear ratio try, 4.3 or 4.4 FDR.
Also, Clean the bushings and oil them frequently to keep the motor at the top of its speed range.
I will post new and different methods frequently so check back.
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