How to Adjust a Carburetor

Intermediate 1 hour 10 steps 12781 views Rating: 4.7/5 Published: 2026-03-15

Locate the air filter and remove it.. Find the adjustment screws on the front of the carburetor.. Start the engine and let it warm to normal operating temperature.

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Steps

1

Locate the air filter and remove it.

Step 1

Locate the air filter and remove it.

2

Find the adjustment screws on the front of the carburetor.

Step 2

Find the adjustment screws on the front of the carburetor.

3

Start the engine and let it warm to normal operating temperature.

Step 3

Start the engine and let it warm to normal operating temperature.

4

Adjust both screws equally and find the right mixture.

Step 4

Adjust both screws equally and find the right mixture.

5

Replace the air filter assembly.

Step 5

Replace the air filter assembly.

6

Find the idle adjustment screw.

Step 6

Find the idle adjustment screw.

7

Start the engine and let it warm to running temperature.

Step 7

Start the engine and let it warm to running temperature.

8

Turn the idle adjustment screw to tighten.

Step 8

Turn the idle adjustment screw to tighten.

9

Listen to the car's engine for sounds of roughness and readjust if necessary.

Step 9

Listen to the car's engine for sounds of roughness and readjust if necessary.

10

Replace the air filter and finish the job.

Step 10

Replace the air filter and finish the job.

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