... 5HP 2 inch gasoline engine water pump 2.great power,easy installation,little vibration 3.high quality and competitive Feature:1.4 stroke gasoline engine ... as the power for water pump.2.small in size, of light weight, ... Model LF-WP20Engine Type1-cylinder,4-stroke,Air-cooled gasoline engine Engine modelLF168F Bore x stroke68 x 45mm Compressing ...