[Troy T. Moore]

Hello all,

So I have worked on a couple dozen guns over the past 3 years. I have learned by hours of research and by "doing".

Today I am at a roadblock...

Working on a friends M4. Mechbox maintanance, new spring, and new "beefier" motor. All back together the way it should be... zzzz zzzz zzzz click...

Shot fine for a few bursts then click, nothing. Take motor out, hook up to power, nothing. Hmmmm... Grab pinion gear, turn motor one "bump", try the powere again wiiiirrrrrrr wiiiiirrrrr. Reassemble. Gun shoots a few bursts then click again. Same procedure, exact same problem.

Just took it apart for the 3rd time and confirmed that there is a "dead" spot in the motor...or at least that is what I deduce.

It is a Guarder infinite torque up long motor.

Is this an easy fix or is the motor a bad one that had poor QC? Any an all help is appreciated. Thank you.