Ok, so I'm in Whitehorse in the Yukon Territory of Canada, my bike needs a new chain and sprockets, the chain isn't a problem but because the XT660Z was never imported into N. America they don't have the sprockets anywhere, the Yamaha dealer looked up the part number in their database and nothing comes up.

Does anyone know if the sprockets are compatible with any other bike (Yamaha or otherwise) or where I can get said sprockets?

Thanks!

btw part numbers are:

Rear: 5VK-25445-01 (45 tooth)
Front: 5VK-E7460-10