M5 Well Nut for Windscreen/Deflector

[prowlnS10]

M5 Well Nut For Windscreen & Side Deflectors

Replacement M5 windscreen & side deflector well nuts for the expensive Yamaha oem #90179-05523 part can be found on Amazon in various quantities...I opted for a 24 pack that included stainless screws sourced from China. Note that some have a raised ridge on the body that may not fit the Yamaha holes, so opted to duplicate the Yamaha continuous diameter design & some packaging includes multiple sizes such as M4, M5, M6.

 

 

Despite some minor manufacturing size differences from the dimensions advertised in the picture above, they fit & work similar to the oem well nuts.  

 

Tech Tip:  The brass nut will pull though the rubber housing with repeated use and/or over tightening & if comes in contact with the windscreen/side deflectors can stress/fatigue the plexiglass mounting holes & cause cracks.  They are a wear item that should be replaced when needed, of which the frequency of windscreen/side deflector removal & % of rough, technical riding  may shorten their life span.

 

 

Comparison of oem Yamaha to Amazon sourced M5 Well Nut