Motorcycle CrankCase Crank Case Kit For YX 140 YINXIANG 140cc W063 1P56FMJ Horizontal Kick Starter Engine Dirt Pit Bikes Material: Aluminum Package Includes: 1 x Right Side Crank Case (Without bearing) 1 x Left Side Crank Case (Without bearing) Fitment: For 56mm Bore YINXIANG 140cc Horizontal Kick Starter Engine (1P56FMJ W063) For KAYO BSE Bosuer Xmotos Apollo Orion Rusi SSR SDG GPX GMX Pitsterpro Mobster thumpstar YX 140cc Dirt Pit Bikes Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.