Swing Arm Linkage Kit All Balls Racing For Yamaha YZ 125 1989 - 1992. All Balls Racing Repair Kit - Hardened steel sleeves with precision-finished surface - Needle bearing made of heat-treated steel - Coated and hardened sockets - including Simmerring and lower springbeat set Ref: 773.03.78. Model Compatibility : Yamaha YZ 125 1989 - 1992 Yamaha YZ 250 2T 1990 - 1992.