Vertex 53.94mm Top End Piston Kit - Yamaha YZ/WR125 2005-2021, XX125 2021, XE125 2021-2022 Brake Accessories X-Trainer 250-300 2020-23 - White

X-Trainer 250-300 2020-23 - White is part of the latest performance motocross and enduro plastics range from Polisport

125 SX 17-22

EXC-TPI/TE300I 2018-2024

Premium quality and perfect fit - As you would expect from Apico

Vertex 53.94mm Top End Piston Kit - Yamaha YZ/WR125 2005-2021, XX125 2021, XE125 2021-2022 Brake Accessories X-Trainer 250-300 2020-23 - WhiteThe Vertex Top End Piston Kit For Yamaha Fantic YZ WR125 2005 2021, XX125 2021, XE125 2021 2022 53. 94MM is part of the latest collection from Vertex. Features: All pistons are heat treated with a T 5 hardening and tempering cycle All piston skirts are coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Cast piston kits are gravity cast aluminum alloy with 18% silicone content, which produces an