How to Install a Screaming Eagle Race Tuner
- 1). Install the race tuner software on your computer.
- 2). Modify your fuel-injection map and settings as desired using the race tuner software.
- 3). Connect the included 9-pin serial cable (note that newer kits may replace the serial cable with a USB cable that terminates into a female 9-pin connector) to the computer.
- 1). Turn the motorcycle's ignition switch to the "Off" position.
- 2). Remove the right side cover (or seat cover, depending on the model) to access the motorcycle's data link connector.
- 3). Connect the 4-pin connector end of the cable included with the kit to the motorcycle's data link connector. Carefully tighten the thumbscrews.
- 4). Connect the Race Tuner's interface module to the 9-pin female end of the motorcycle's cable. Carefully tighten the thumbscrews.
- 5). Connect the 9-pin female connector from the computer into the 9-pin male end of the race tuner's interface module. Carefully tighten the thumbscrews.
- 6). Turn the ignition switch to the "On" position and wait for the motorcycle to run through its 10-second startup process.
- 7). Select your modified EFI map, using the race tuner software, and click on "Program ECM."
- 8). Allow the software to reprogram your motorcycle's ECM without interruption. This process can take as long as five minutes, depending on your computer's processor speed.
- 9). Turn the ignition switch to the Off position once programming is completed.
- 10
Disconnect the race tuner's interface module and cables from the motorcycle. - 11
Turn the ignition switch to the On position and wait for the motorcycle to run through its 10-second startup process. - 12
Start your motorcycle and test to see whether the modified EFI map has the desired effect. If not, modify the EFI map using the software and reprogram as shown previously.