... at home and abroad,our company has individually developed general gasoline engines with 4 –stroke single cylinders,OHV and force –air ... of aluminum alloy materials, so they have the characteristics of small size, light weight, easy to maintain and convenient to ... crankcase,etc, are all cast formed with aluminum alloy GASOLINE ENGINEModel168F168F-2173FEngine type4-stroke 25°single-cylinder with air- ...