we'll need to know what style twist throttle you have. CR style or whirlpull style. take a pic and post it upif its CR style, you'll need this one:http://www.ebay.com/itm/Motion-Pro-AG-CR-Comp-Pro-Throttle-Cable-Fits-Honda-ATC250R-1985-/390809996453?pt=Motorcycles_Parts_Accessories&hash=item5afe174ca5&vxp=mtrif its whirlpull style, you'll need this one:http://www.ebay.com/itm/Motion-Pro-Turbo-Throttle-Cable-Fits-Honda-ATC250R-1985-/390809996590?pt=Motorcycles_Parts_Accessories&hash=item5afe174d2e&vxp=mtr