Originally Posted by losi guy

You should also solder your brushes to the tab when you replace them because if use the screws it can misalign your hood and you can end up with a hung brush. Also i would always use a brushood alignment tool ever time. You wanna make sure the brush is 90 degrees to the com for best performance. Also check the motor to make sure nothing is bent from a impact, i had that happen to. good luck.