Yamaha YZF 125 R, MT 125, WR 125, YBR 250. YAMAHA XJR 1300 XVS 1100 DRAGSTAR BT 1100 BULLDOG AS3 TOP YOKE STEERING STEM NUT. AS3 Performance Top Yoke Steering Stem Nut for. AS3 Performance stem nuts are manufactured from 7075 T6 aluminium and are a great upgrade from the OEM stem nuts, they weigh only 21 grams and have an anodized finish to match the rest of our range of CNC machined hard parts.
