140cc Cylinder Piston Kit 13mm For Pit Bike Apollo RXF MRF RMT YX140 YX149. 56mm Cylinder Piston Gasket Top End Rebuild Kit For Pit Bike Dirt Bike YX 140cc Engine 1P56FMJ. Fit for Many Pit Bike Dirt Bike with YX 140cc horizontal cylinder which engine number 1P56FMJ.
