What type of oil is required to run POWER JOE? Using the included oil funnel, fill the oil reservoir with SAE30 or "straight 30" oil, which can be found at your local hardware store or gas station. Your Power Joe comes equipped with a low oil sensor with an automatic shut off feature, so if your engine shuts off during operation, please check the oil level to ensure it is sufficient for proper operation. Related articles How do I start my Power Joe? Generator Troubleshooting What happens if I need to order replacement parts or check my order status? What is the amperage rating on the outlets? Does the Power Joe have any built-in safety features?