Fine Tune Your Husqvarna's Carburettor with Our Professional Grade Tool 125 435 . Fit for Yamaha YZ250F 2001-2013. Kit is for standard bore size - 77.0 mm x 53.6 mm stroke, 16mm steel piston pin. If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right.
