Hey man,did you check your swingarm bearings,thats what happened to mine,it was clunking like a ****,actually sounded like the shaft,luckily,all these knowledgeable folks kept tellin me to check that,sure enough,check it out buddy,sounds just like my problem!
Tips on how to change the bearings go to www.Nyroc.com
Serge
03 P650
Team green plastic
Dalton clutch kit
nyroc pipe mod
Highlifter cdi box
27 inch Dirt Devils