Originally Posted by cms81586
My current sprocket/chain set has 9k miles on it. The chain is toast and the front sprocket is starting to fish hook. The rear looks alright but there is some minor wear and if I'm spending $100+ on a new chain I might as well have new sprockets all the way around as well. The torque must really be a bitch on those parts even with proper lubrication. I have the factory service manual but may need a little assistance doing it the first time so I don't mess anything up...
Is the Hyper chain 520 or 525?
on the little bike I bumped it up to 525 and get a little better life out of it, but usually every 10-12k.
An aluminum rear sprocket will get chewed up about the same time the front does (maybe a little faster).