donuts oem or aftermarket

[fldodge]

just got my sled striped down today and i thought it sounded different on the last run sure enough two bad donuts should i just replace with yamaha donuts or is there something better or tougher out there. thanks for now

 

[SRXNOMO]

check out this post:
http://www.ty4stroke.com/viewtopic.php?t=99740

 

[Crewchief47]

Or this one: http://www.ty4stroke.com/viewtopic.php?p=892099#892099