弥 勒 浩 翔 科 技 有 限 公 司
Mile Hao Xiang Technology Co., Ltd
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Adjust the "H" oil needle to make the engine reach the maximum
speed and then open it counterclockwise by 0.2-0.3 turns to keep it
slightly running at rich. The color of the spark plug can show the
current gas mixture state.
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Start the engine on the water, running at full throttle for 20 seconds,
turn off the power while engine running at high speed, remove the
spark plug, yellowish brown indicates the gas mixture is on an
optimal state , black indicates engine is running rich, and white
indicates engine is running at lean.
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A running lean engine will eventually overheated and burn out the
pistons and cylinders and cause serious damage to the engine.
7
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How to clean the carburetor
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Remove the 4 screws on both sides of the carburetor as shown in
the figure. Open the carburetor sealing cover.
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Remove the parts in order as shown on the picture. It is
recommended to store them in a container to avoid loss.
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Clean the oil filter with carburetor cleaner. Note if you forget to put
the filter back, it will cause the internal blockage of the carburetor.
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Cleaning these holes according to the figure, and then install them
back in same order that you removed.
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Install the back cover of the carburetor, beware that installation
direction of the diaphragm, and tighten the screws.
