Generator oil change/sythentic ?
Hello: I have an Onan QG4000 generator that is due for its first oil change (20 hours). I have the owner's manual, and while it lists the correct oil based choices on temperature, it has no discuss...
Forum Discussion
Here's a previous post on using Synthetic Oil in Onan Generators.
Maybe this will give you an answer.
Maybe this will give you an answer.
