1. Research and Planning:
- Gather information and research the compatibility of fuel injection systems with your specific Big Dog Chopper model.
2. Fuel Injection System:
- Purchase a fuel injection system compatible with your Big Dog Chopper's engine and make any necessary modifications to the fuel tank and fuel lines.
3. Engine Modifications:
- Depending on the fuel injection system you choose, there may be modifications required to the cylinder heads, intake manifold, and exhaust system.
4. Electrical System:
- Install the necessary sensors, such as oxygen sensors, temperature sensors, and a fuel pressure sensor. Connect these sensors to the appropriate wiring harness and the fuel injection controller.
5. Fuel Injection Controller:
- Mount the fuel injection controller and program it according to the manufacturer's instructions. This may require adjusting fuel maps and other parameters to optimize performance.
6. Tuning:
- Work with a qualified mechanic or dyno tuner to fine-tune the fuel injection system for your specific Big Dog Chopper. This involves adjusting the fuel mixture, ignition timing, and other settings.
7. Testing:
- Thoroughly test the fuel injection system, ensuring it operates smoothly, idles properly, and delivers adequate power and fuel efficiency.
Changing from a carburetor to fuel injection is a complex process that requires extensive mechanical and electrical expertise. If you are not experienced with such modifications, it is recommended to consult with a professional motorcycle mechanic who specializes in Big Dog Choppers.