I have a 1991 taishan 254 that needs a clutch. I have the clutch lining but do not have the rivets , and do not know the size i would need to put on new disc lining, or does anyone know where i might get one clutch disc assembly in the US. I have the part number: 25. 21J. 013 Please e-mail me at Waynessawmill@Gmail.com Thank you Wayne