Carburetor Jetting Calculator – Optimize Your Engine

This tool helps you calculate the appropriate jet size for your carburetor based on various input parameters.

Carburetor Jetting Calculator

Engine Size (cc): Enter the size of your engine in cubic centimeters.

Altitude (ft): Enter the altitude where you will be operating the vehicle in feet.

Temperature (°F): Enter the ambient temperature in degrees Fahrenheit.

Humidity (%): Enter the relative humidity as a percentage.

Base Jet Size: Enter the base jet size for your carburetor as recommended by the manufacturer.

Result: The calculated jet size based on input conditions.

How to Use The Calculator

Fill in all the fields with the correct values for your specific setup and current environmental conditions. Click the “Calculate” button to get the recommended jet size for your carburetor.

How It Calculates the Results

The calculator takes into account the engine size, altitude, temperature, and humidity to provide an adjusted jet size. It uses standardized compensation factors for each parameter to make these adjustments.

Limitations

Please note that this calculator provides an estimate based on typical correction factors. Actual performance may vary based on individual engine and carburetor characteristics. It is always best to fine-tune your jetting based on real-world performance and conditions.

Use Cases for This Calculator

Calculate the ideal main jet size for your carburetor

Input your current main jet size and riding conditions to determine the optimal main jet size for improved performance and efficiency in your carburetor.

Find the correct needle clip position for your carburetor

Specify your current needle clip position and riding altitude to discover the ideal needle clip position for optimized fuel mixture in your carburetor, ensuring smooth throttle response.

Determine the appropriate pilot jet size for your carburetor

Enter your current pilot jet size and bike modifications to identify the suitable pilot jet size for consistent idling and throttle response in your carburetor.

Calculate the correct air screw setting for your carburetor

Provide information on your current air screw setting and riding environment to calculate the perfect air screw adjustment for proper air-to-fuel ratio in your carburetor.

Optimize the fuel mixture ratio in your carburetor

Adjust the fuel mixture ratio by entering your current fuel ratio and elevation to achieve the ideal mix for enhanced engine performance and smoother power delivery in your carburetor.

Calculate the recommended choke size for your carburetor

Specify your choke size and weather conditions to determine the optimal choke size for easier cold starts and improved engine warm-up in your carburetor.

Find the suitable accelerator pump nozzle size for your carburetor

Input your current accelerator pump nozzle size and riding habits to discover the appropriate nozzle size for better throttle response and reduced hesitation in your carburetor.

Determine the proper float height for your carburetor

Enter your current float height measurement and bike model to calculate the correct float height adjustment for optimal fuel delivery and prevention of flooding in your carburetor.

Calculate the needed jetting changes for temperature variations

Specify the current jet sizes and temperature change to calculate the required jetting adjustments for consistent performance across different weather conditions in your carburetor.

Find the ideal jetting setup for your specific riding style

Input details about your riding style and preferences to receive customized jetting recommendations for peak performance and throttle response tailored to your needs in your carburetor.