There is always a water gun attached on the bumper boat body for shooting water. The operations of the gas powered bumper boats are easy to get clear, you just need hold the handlebars to operate the bumper boat. The rotating propeller exerts a force on water and the bumper boat will get a reaction force from the water. The expanded air caused by the firing gas in the cylinder will drive the engine in order to run the cast aluminum propeller which is connected to the lower end of a tube. Fill in the fuel tank of the gas engine and start the engine.
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