... bore,improving design on the aspect of fuel system,power output,with the features such as compact,light ... noise of main bearing.·Powerful, big torque, sufficient power, so it is used to use in the ... so on. ·Advanced machinery equipment, perfect quality assured system, so it makes quality of the product higher. ... combustion chamber Compression ratio 17.5:1 Rated power/speed (KW/r/min) 74/3000 Max torque ...