You will need to be thoughtful about how you clean your generac generator if that is something that you want to do (and you should). The point is that you will need to be mindful to get it cleaned up in such a way that you are able to get an extreme amount of use out of it moving forward.
It is necessary to check the oil in the machine. If the oil is old, you will need to safely remove it.
Keep in mind the fact that you need to know where to go to dispose of these materials. There are special places that handle those types of products. You should go to one of those safe disposal sites to get rid of any spent oil from your generator.
Follow this up by cleaning the air filter of your machine and checking for any leaks that might be present within your machine. If you maintain your machine like this, then you can feel it working better for you overall. That is what most people want when they get a machine like this, and that is what you can have when you use the proper methods of cleaning and maintaining it.