Busted my dirt bike

#1
Sunday I had a slight problem with my 06 YZ450F. I sheared off the bolts from my rear sprocket. That lead to the wadding of my chain in the front sprocket. That lead to a broken case$$$$



 
#3
Lack of maintenance...
Bolt holes in hub are ovaled. The bolts loosened, rattled, for quite a while. The lack of lube on the chain, tells that it wasn't ever looked at.
 
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#4
Chain was lubed and the sprocket was tight. holes are not ovaled, you are just seeing the marks from the sprocket hitting the hub. Hub is still not ovaled.
 
#7
I have the motor out of the bike and the motor is being tore down now. I have a friend that is going to TIG it back together. I new set of cases is 600.00 Plus all the bearings. It's good to have friends LOL
 
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