Where is drain plug on 70 hp evinrude boat motor?

The drain plug on a 70 hp Evinrude outboard motor is typically located on the lower unit, near the cavitation plate. It's often a brass or plastic screw that can be removed to drain the gear oil. Make sure to check your owner's manual for the exact location and any specific procedures for your model. Additionally, ensure the motor is in a vertical position to allow proper drainage.