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RMullins · 03-16-2015, 05:57 PM

If what he said is not the issue...then you could check the following.

1. The flange could be bent on the gearbox. This is the area that has the 3 mounting points that the wheel mounts to.
2. Elastomer could be completely worn. As the motors increase speed, the elastomers expand. If they have reached the point of tearing apart, then the elastomer has very little grab or bite on the coupling and this is more noticeable at lower speeds
3. If #2 continues too long, then the coupling will eventually become loose from the gearbox which will require a new coupling to be pressed on. Most dealers will have the jig required to remount a new coupling.

03-16-2015, 05:57 PM	#4
RMullins Junior Member Join Date: Apr 2014 Location: Annapolis, MD Posts: 35	If what he said is not the issue...then you could check the following. 1. The flange could be bent on the gearbox. This is the area that has the 3 mounting points that the wheel mounts to. 2. Elastomer could be completely worn. As the motors increase speed, the elastomers expand. If they have reached the point of tearing apart, then the elastomer has very little grab or bite on the coupling and this is more noticeable at lower speeds 3. If #2 continues too long, then the coupling will eventually become loose from the gearbox which will require a new coupling to be pressed on. Most dealers will have the jig required to remount a new coupling. Last edited by RMullins; 03-16-2015 at 05:59 PM.. Reason: Additional info. #2 & 3 are more towards the vibration issue you described.