Rattle from right side of sled....

[vying_vim]

I saw some talk about this on other threads, so I thought I would start one about this issue to try and pinpoint the noise.
I heard the rattle about 50 miles ago and it is progressively getting louder.
2013 Pro 155 - 500 miles

 

[glassman]

Brake pads.

 

[Rhodesie]

2013 pro rmk jack shaft bearing - YouTube

 

[cs5]

https://www.snowandmud.com/polaris-pro-ride-450/bearing-behind-top-belt-drive-sprocket-76378.html

This should explain things, get out your torque wrench and set it to 30ft/lbs check both your quick drive pulleys there is a good chance the top one is not up to spec.

 

[bspot]

Does it have ES, if so check the battery hold down.

 

[hottogo]

check your belt for tightness - if its getting loose its the the top bearing spinning on the shaft -this will cause brakes pads to rattle and get worse as it wears out more