I changed the chain and front sprocket on the ninja over the weekend and when I pulled off the sprocket one side was worn pretty baddoes anyone know what would cause this?
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I see a couple issues:
1. The teeth are waved, i.e. bent over some at the tips. This happens when the chain is too stretched between links, so only the last tooth or two on the sprocket is taking all the load.
2. The wear on the inside -- but then again, it may have been machined like that at the factory (doubtful, but possible). Uneven chain path, misaligned rear wheel or rear sprocket, or non-stock sprocket cush putting it further out/in than it should be (or rear cush putting the rear sprocket in/out further than should be).
I thinks you probably need to change the chain & the rear sprocket as well if you haven't already.
Cheers
=-= The CyberPoet
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