http://www.wemoto.com/bikes/Yamaha/XT_660_R/04-09/ the chains an stuff is at the bottom..
i looked at the price o chains on that wemoto site,, what one wid ye go fur on a budget.. are they all good chains,, I expect the more expensive one to be better wearing an quality.. is that the case all the time.. as they were ones there fur 20 35 an 70 an a set fur 71 I only need a chain an rear s[prock,, i have a new front sprock