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    Vertex Pistons

    Vertex Piston 05-21 Yamaha YZ 125 125cc +4mm Cast Big Bore Piston Kit 144cc.

    Sale Sold out
    Tax included.
    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.