Weird Noises / Front Sprocket Troubles

[Soapy]

Thanks Savvy

Further to my previous post. I've sourced a modified nut kit at Wemoto.

Can anybody tell me the difference between the JT sprocket and the Sunstar Sprocket (twice the price) on there website

http://www.wemoto.com/bikes/yamaha/fzs_6..._sp/02-03/

Sprockets are at the bottom of the page