9hp Petrol Engine Pull Start GB270BThis 9hp Petrol Engine directly replaces a standard 6. 5hp petrol engine. Yes, you read that right this engine is a development of a normal 200cc engine and has the same size and fitment as a Honda GX 200. This engine is unique in the industry and gives the best of both worlds The power of a bigger more expensive engine and the small size and cost of a 6. 5hp engine. Simply stunning. ZS Power engines are manufactured in Zongshens state of the art