Introduction
If your 150cc Tao Tao DBX1 dirt bike has compression but won't start, the problem is most likely with the carburetor not feeding the engine gas or the manifold not working correctly. A properly maintained carburetor allows for optimal performance, better fuel efficiency, and a healthier engine.
This guide will show you how to replace the carburetor with a new one. Read the instructions carefully and ask a friend or family member for assistance if needed.
Work on your bike in an open garage, outside, or another open area. Before you begin, make sure the bike is off and has cooled down if you recently went on a ride. Have a towel nearby for any gasoline leaks!
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Use a 10mm socket and ratchet to unlock the seat from underneath.
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Lift the seat off of the bike.
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Use a 10mm socket and ratchet to loosen the bolts of the white outer shell of the bike.
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Lift the white casing from the bike, remove it, and set it to the side.
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Put the white casing down on the floor or another safe surface.
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On the left side of the carburetor, use a 9 mm bit and driver to loosen and remove the bolts.
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On the right side, use a 9 mm wrench to hold the corresponding nuts in place while you remove the screws.
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Remove the second gas line attached to the carburetor and inspect all sides for any damage or dirt.
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Bring back the inner needle and push the float valve into the spring, then take out the throttle cable through the side of the float valve.
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Carefully take out the float valve and pivot pin.
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Push the spring down onto the float valve.
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Insert the throttle cable sideways through the float valve.
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Connect the gas line back onto the bike and the new carburetor.
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Twist the throttle line shut onto the carburetor.
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Reinsert the carburetor in its original position and secure all screws and clamps to ensure a tight fit. Use the 9mm bit and the wrench to screw the carburetor back on.
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Test your dirt bike to make sure it's in working order.
