Ryobi RPGENINV4K Manual page 13

CHANGING ENGINE LUBRICANT
1. Turn the start lever to the OFF position to
turn off the product.
2. Remove the oil cap.
3. Remove the oil drain plug.
4. Allow lubricant to drain completely into an
approved container.
NOTE: Drain the lubricant while the
engine is still warm but not hot. Warm
lubricant will drain quickly and more
completely. Reinstall the oil drain plug
and tighten securely.
5. Refill the oil tank with lubricant as needed.
Close and secure the oil tank.
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Maintenance