How to Adjust the Carburetor for Fuel Efficiency?

1 Answers
OChase
07/29/25 11:37pm
There are several methods to adjust the carburetor for fuel efficiency: 1. Appropriately lower the fuel level in the float chamber. 2. Reduce the diameter of the main jet. 3. Lower the carburetor's main needle. 4. Actively reduce the fuel supply. Here is more information about the carburetor: 1. The main jet comes in two types: fixed and adjustable with a screw needle. For fixed main jets, you can wrap one or two thin copper wires inside the jet to reduce fuel flow. For adjustable types, first screw the needle all the way in, then turn it counterclockwise about one and a half turns. 2. Reasonably lowering the mixture concentration should prioritize engine stability. The car should not experience hesitation during acceleration or carburetor backfire. Multiple adjustments may be needed to reach the optimal level. 3. The throttle opening within two-thirds is the leanest and most fuel-efficient state for the mixture. 4. Generally, avoid pressing the accelerator all the way down to achieve fuel efficiency.
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