Converting a fuel-injected system to a carburetor in a Pulsar 220 or any other modern motorcycle can be a complex and challenging task. Please note that modifying the original fuel injection system of a vehicle may have legal implications and can affect the performance and emissions of the motorcycle. It is important to consult local laws and regulations before proceeding with any modifications.
That being said, if you still want to proceed with the conversion, here is a general outline of the steps involved:
Research and gather information: Understand the differences between the fuel injection system and the carburetor system. Study the specifications of both systems and determine if it's technically feasible to install a carburetor in place of the fuel injection system.
Acquire the necessary parts: You'll need a compatible carburetor that is suitable for your Pulsar 220's engine. Consult with motorcycle experts, mechanics, or reputable suppliers to find the appropriate carburetor that matches the engine's requirements.
Remove the fuel injection system: Carefully disassemble and remove all components related to the fuel injection system, including the fuel injectors, fuel pump, fuel lines, throttle body, and the engine control unit (ECU). Ensure that you properly disconnect and seal any electrical connections or fuel lines.
Install the carburetor: Mount the carburetor onto the intake manifold of the engine. Ensure that you have the necessary mounting brackets or adapters to fit the carburetor properly. Connect the necessary fuel lines, throttle cables, and other relevant components according to the carburetor manufacturer's instructions.
Adjust and fine-tune: Once the carburetor is installed, you'll need to make adjustments to achieve the proper air-fuel mixture for optimal performance. This may involve adjusting the idle speed, mixture screw, and potentially changing jets within the carburetor. Fine-tuning the carburetor can be a trial-and-error process, and it's recommended to seek the assistance of a knowledgeable mechanic or tuner.
Test and evaluate: After the conversion is complete and the carburetor is adjusted, start the engine and check for any irregularities. Monitor the motorcycle's performance, including throttle response, idle stability, and overall engine behavior. It's important to thoroughly test the motorcycle under different riding conditions to ensure it operates safely and efficiently.
Please note that the specific steps and requirements may vary depending on the make and model of the motorcycle, as well as the carburetor chosen. It's highly recommended to consult with experienced professionals or mechanics who have expertise in motorcycle modifications before attempting such a conversion.