... efficient pumps,small in sizes, of light weight, portable, power saving.easy to fix, to operate and ... series pumps are small in sizes, of light weight, portable, power saving. Besides,they are also easy to fix ... fixed in the pump to prevent it against air and water leaking and ensure its function. The ... 82.52.2Engine Type Single Cylinder. 4-Stroke. Air-CooledEngine TypeRD170(E)RD170(E)RD178FA(E)RD186FA(E ...