125cc 4 Stroke Engine (ENG-28) | Automatic Transmission Engine with Reverse | Coolster Fits with: 3125CX-2 / 3125CX-3 / 3125R / 3125XR8-U. Compatible with many Chinese 125cc ATVs. This engine assembly includes the intake pipe, drive sprocket, spark plug, & sprocket cover. Specifications: Engine...