If you want a Harbor Freight Predator generator, you'll want to make sure you know which oil to use for peak performance no matter the time of year.

It's ok to use synthetic oil in your generator. In fact, some leading generator brands, such as Generac, recommend using synthetic oil in its home backup generators.

You'll have to do a little bit of routine maintenance on your generator regularly to keep it in working order, but does that include using synthetic oils?