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Portable Generator FAQs

Portable Generator FAQs

  • Where is the engine made?

    Generac G-FORCE®  and OHVI engines are designed and manufactured by Generac Power Systems Inc. at our facilities in Wisconsin. 

    The Generac OHV engines are not engineered or manufactured in the U.S.

  • How does the Generac G-FORCE® engine compare to air cooled engines used in other brands of generators?

    Unlike other engines used in backup power generation, Generac G-FORCE® engines are designed specifically for generators. They are engineered to run for the long periods of time required during a severe power outage or on a job site. They utilize the same type of pressurized oil lubrication used to give automobile engines long and trouble-free lives. 

  • Where do I go to have warranty repairs performed?

    Any Authorized Generac dealer can perform warranty service. To find your local authorized Generac Dealer, see our locator or contact us for additional information. Our Authorized Service Centers provide parts, service and information on Generac equipment, regardless of where it was purchased. Authorized Service Centers are staffed with trained technicians supporting all aspects of the Generac portable generator line.

  • Where can I find a GENERAC dealer in the U.S. or Canada?

    To locate a dealer near you, please refer to our Dealer Locator section on this website.

  • I can’t locate my original owner’s manual. How can I get another copy?

    Owner's manuals and other documentation can be downloaded from our Product Support Page using the unit's serial number, or contact us for further assistance. 

  • Where can I purchase parts?

    Parts can be purchased through any Authorized Generac Dealer. See our Dealer Locator to find a dealer near you. You can buy parts online or call (877) 500-7499. Part numbers are located in the owner’s manual.

  • Can the generator be used during inclement weather?

    NEVER run a generator directly in the rain, snow or other wet conditions. NEVER run a generator indoors or in a garage.

  • Can I vent the exhaust out of an enclosed area?

    No. Never run the generator indoors, in a garage or in an enclosed area. Portable generators are designed to run outside where there is plenty of ventilation.

  • Should the fuel be drained when storing the portable generator for more than 30 days?

    Yes. It is highly recommended that you drain the fuel from the tank and run the carburetor dry. Another alternative would be using fuel stabilizer, being sure to carefully follow the fuel stabilizer's ratio instructions, and noting the duration that the fuel stabilizer is effective for. 

  • Does the portable generator need to be grounded?

    It depends on the application. 

    When using just the extension cords, you do not need to use a ground rod. (If you have a bonded neutral portable generator. This can be found in the owner's manual.)

    When connecting to an electrical panel (building electrical system, manual transfer switc, RV, etc.) you need to connect your generator to te ground rod. 

    Ground rods must be pound into the earth, then connected to the ground lig on the generator via a ground cable. The rod must be at least 8ft into the earth.

    We strongly recommend that you check and adhere to all applicable federal, state and local regulations relating to grounding.

  • How often should I perform routine maintenance?

    All generators require periodic maintenance, such as oil and filter changes, to ensure maximum performance for years of reliable service. Refer to the owner's manual for routine maintenance procedures and schedules. 

  • What type of gasoline is recommended?

    Use clean, fresh unleaded gasoline with a minimum 87 octane rating.

  • What type of oil is recommended? How often should it be changed?

    Above 32°F, use SAE 30. Below 40°F and down to -10°F, use 10W-30. Synthetic 5W-30 can be used in all temperatures. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter.

Online Product Support

Looking for more? In Generac's Online Product Support section you can find the specifications, product manuals, frequently asked questions, how-to videos, and more for your product.