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HOW LONG CAN MY GENERATOR RUN BEFORE I NEED TO CHECK THE OIL?
On the RP series, change the oil after the first 20 hours of service or 1 month. For the INV 2000, change after the first 8 hours or 1 month then every 25 hours or 3 months. Then change the oil every 100 hours or 6 months. Please see the Owner's Manual (Maintenance section) for more detailed instructions.