Product Description Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.
Vertex Piston 05-21 Yamaha YZ 125 125cc +4mm Cast Big Bore Piston Kit 144cc. - 23335B MSRP: $175.95 Was: Now: $167.16 Add to Cart
Vertex Piston 05-21 Yamaha YZ 125 125cc Top End Piston Kit - VTK23119B MSRP: $186.95 Was: Now: $168.26 Add to Cart
Vertex Piston 1997 Yamaha YZ 125 125cc Cast Replica Piston Kit - 22441B MSRP: $137.95 Was: Now: $117.26 Add to Cart