Below is a description for the maps in this directory: The maps are classified for Kawasaki V-Twin (all models), Yamaha Grizzly/Rhino 660 models. For each model, there are three different combinations: 1) OEM-87 octane. This map is very similar to what was loaded when your CDI left our facility. Map #1 is loaded with a clone of the OEM Ignitor, all limiters enabled. Map #2 is optimized for 87 octane, with all limiters disabled. 2) OEM-91 octane. Map #1 is loaded with a clone of the OEM Ignitor, all limiters enabled. Map #2 is optimized for 91 octane, with all limiters disabled. 3) 87-91 octane. Map #1 is optimized for 87 octane, with all limiters disabled. Map #2 is optimized for 91 octane, with all limiters disabled. Click on the desired map(s), and save to a location on your computer. Open the USB Application, and go to the "FILE" menu, and select "OPEN". Browse for the desired file. Then do a "MAP", "WRITE TO POD" to save the file to the interface.