What Has Been Done to This Carburetor?

Every carburetor we rebuild undergoes a thorough restoration process to ensure dependable performance, proper operation, and long-lasting reliability.

Our rebuilding process includes:

1. Complete carburetor disassembly

2. Thorough ultrasonic cleaning

3. Anti-rust dichromate finish**

4. New accelerator pump*

5. New float*

6. New air horn gasket*

7. New main body gasket*

8. New throttle body gasket*

9. New cluster gasket*

10. New springs*

11. New O-rings*

12. New seals*

13. New check ball(s)*

14. New throttle shaft bushings

15. New mounting flange gasket*

**Note: Dichromate finish is applied to zinc castings only.

*Ethanol-Resistant Components: Marked replacement components are designed to withstand modern ethanol-blended fuels.

What Does Our Live Engine Testing Involve?

Unlike carburetors that are simply rebuilt and shipped, our carburetors undergo live engine testing to verify proper operation and make critical adjustments before they leave our shop.

Our goal is simple: to provide a carburetor that arrives properly adjusted, performs reliably, and requires minimal additional setup.

1. Curb Idle RPM Pre-Set

Proper curb idle adjustment is essential for smooth engine operation.

If the idle speed is set too low, the engine may run roughly or stall. If it is set too high, the engine may race, waste fuel, or experience drivability issues.

During live engine testing, we carefully adjust the curb idle speed to establish a smooth, stable baseline.

The benefit: Your carburetor arrives with its idle speed pre-set, helping simplify installation and minimize unnecessary adjustments.

2. Fast Idle Pre-Set

The fast idle system plays an important role during cold engine starts.

When you first start a cold engine, the carburetor temporarily increases engine speed to help maintain smooth operation while the engine warms up. As the choke opens and the engine reaches operating temperature, the fast idle system should allow the engine to return to its normal idle speed.

An improperly adjusted fast idle system can cause excessive engine speed, rough cold starts, or an engine that remains at high idle longer than necessary.

During live engine testing, we inspect and adjust the choke and fast idle mechanisms to verify that they operate properly.

The benefit: Improved cold-start performance, proper choke operation, and a smoother transition to normal idle.

3. Idle Mixture Screws Pre-Set

A properly adjusted air-fuel mixture is essential for engine performance, fuel efficiency, and smooth operation.

An incorrect idle mixture can contribute to rough idling, excessive fuel consumption, hesitation, and poor drivability.

During live engine testing, we carefully adjust the idle mixture screws to establish a clean, smooth, and efficient idle.

The benefit: Your carburetor arrives with its idle mixture pre-set to provide a strong starting point for optimal engine performance.

Rebuilt, Tested, and Ready for Installation

At Carburetor Center, we believe rebuilding a carburetor involves more than simply replacing worn components.

Every adjustment matters.

From ultrasonic cleaning and component replacement to live engine testing and final adjustments, our goal is to deliver a carburetor that performs as well as it looks.

We take pride in our workmanship and strive to provide every customer with a carburetor that offers reliable starting, smooth idling, responsive acceleration, and dependable performance.

Professionally Rebuilt. Live Engine Tested. Ready for the Road.

A core deposit is collected at the time of purchase and held until we receive your old/used carburetor.

Before returning your core, please send us photos of the carburetor as outlined in our Core Policy.

Cores must be returned within 30 days of receiving your carburetor to qualify for a core deposit refund.

Once your eligible core is received, the core deposit will be refunded to the original payment method used for your purchase.

Please see our Core Policy for complete core return requirements and details.

Our remanufactured carburetors include a 6-month warranty from the date of purchase. The warranty covers defects related to the carburetor and our workmanship.

If you experience a problem, please contact us so we can help troubleshoot the issue. If the carburetor needs to be returned for warranty inspection, Carburetor Center will cover shipping costs within the first 30 days from the date of purchase.

After the first 30 days, the customer is responsible for shipping the carburetor to us. If the issue is covered under warranty, we will repair or replace the carburetor at no charge.