Flush out the motor can and armature or rotor regularly with motor cleaner to keep them as free from debris as possible. The best time to do that is when reassembling your motor after a rebuild or changing brushes and springs. Also, don’t forget to lubricate the bearings & bushes before you reassemble too. Plus [...]

Motors for RC cars vary in constrution from manufacturer to manfucturer. Not all motors come with a flat edge on their shafts for example. This means there is more chance of the motor pinion working itself loose during use, or maybe even detaching completely, leaving the shaft spinning inside the pinion gear. Check that yours [...]