A Regulating Lever for an Engine of a motor type Backpack Sprayer is positioned below a storage of Liquids. The Bottom surface of the Regulating Lever is protected by a guard Lever arranged below the Regulating Lever.The Regulating Lever is arranged in the Interior of the width direction of the liquid Tank with respect to a line that passes through the lateral Tip that protrudes towards the side Surface at one side in the width direction, and one end of the liquid Storage lat Eral Lever protector
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