Fits all 1998 & up Yamaha two stroke YZ models from 80cc to 250cc Also fits all 1998 & up Yamaha four stroke YZ-F models from 250cc to 450cc These OEM style bolts match what came on your Yamaha originally and are designed to replace the most commonly needed fasteners all over your bike. Full range of M5, M6, & M8 Yamaha Factory fit flange bolts specific to YZ and YZF Spare set of hard to find aluminum Yamaha bodywork bushings and spacers. 1998 & up Yamaha YZ / YZF Bolt Kit 1998 & up Yamaha YZ/YZF Bolt Kit Fits all 1998 & up Yamaha 2 stroke YZ models from 80cc to 250cc including YZ80, YZ85, YZ125, and YZ250. Also fits all 1998 & up Yamaha 4 stroke YZ-F models from 250cc to 450cc including YZ250F, YZ400F, YZ426F, and YZ450F models...