DJM - Dynojet Map File is a file extension in which can only come in handy if you are already using Power Commander. This is a fuel injection adjustment unit which connects along with a motorcycle ECU. If you are not using it, then you will not be able to benefit from this extension. It comes in handy when you need it to.
It also consists of a mapping of fuel injection parameters which are for a certain engine model. You should be aware that DJM files are mainly used for loading settings for this software application. It does this in order to properly communicate to the specific ECU of the motorcycle. You can take advantage of a free download just by going online. It is free and there is no need worry about paying for anything either as it is free of charge. You will learn how to open DJM files as well as other information about them. They are highly useful. Again you must be using this software program and have a motorcycle in order to benefit from the extension. It really makes a big difference whether you know it or not. You can also read a few reviews to get a better idea before installing this extension.