WE HAVE MANY BYD FLYER, AND WE DONT' HAVE TIMMING COMPONENTS LIKE BELTS, CRANKSHAFT GEAR AND THE OTHER COMPONENTS. I HAVE THE NUMBERS PARTS WITH ME:4621A2/D10000354621A2/D10000394621A2/D10003324621A2/D1000032462A1/D1000034LET ME KNOW IF YOU CAN HELP US