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					Originally Posted by  Supermario
					 
				 
				One is a fluke, 2 failures of common system  is a red flag for sure. I don't have good enough pic quality to say for sure, looks like clean break? Or do I see beach marks and signs of a flaw ?  
Failed bearing , now shaft? Something ain't straight.    
			
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 Right where it snapped, there's an E clip flush with the face of the motor, a wee bit of material gone.
I've snapped 6mm shafts before & it's always where an E clip is placed... pinions on trk axles, output shaft of swing motor on 850, ect... but those times the shafts had seen a lot of torture as well.