Chain?

well the chain size is (520) so you can get any chain that is that size. if you need more links you can go with a Kawasaki KDX450 its a 520 chain with 120 links. and stock chain is 92.. so if you look at the chain size it will be 520-120 or 520-92..
 
Any 520 chain will work. I got a brand new one with o-rings for 30 shipped. If your looking to get something cheaper go with a non o ring.