How often should I change the oil in my standby generator?

Change the oil in your standby generator according to the manufacturer’s schedule, with oil service checked during routine maintenance by trained technicians at least once a year. Heavy outage use and long run times are the most common reasons you’ll need oil changes more often than the baseline schedule. We service generators across the Atlanta area and frequently work in Lavista Park homes. We exclusively install and service Briggs & Stratton generators and can align maintenance with the brand’s requirements.

Consider servicing sooner if you notice any of the following:

• Extended runtime during a power outage
• Dark, gritty oil on the dipstick or a fuel smell in the oil
• A maintenance light or service reminder on the generator controller

Check the oil level and appearance monthly during storm season, and schedule a technician visit if it looks dirty or drops noticeably.

Updated: 2026-03-10

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