Official Clutch Forum
If you thinking about doing the Shim mod and can't find where to get the correct
size shims - her eis a guy on Ebay selling them:
Yamaha Grizzly 1.5mm & 2mm shim mod 700, 660, 450,350 : eBay Motors (item 190368299531 end time Mar-26-10 17:21:44 PDT)
I have no other afilliation with this seller...