When changing the oil on a Honda cr85 which screw is it that is to be taken out to let you know when the motor is full of oil?

On the side of the engine were you change the transmission oil there is a screw.its close to the brake lever. You want to unscrew it then Put the transmission oil in.Let the excess oil drip out the motor so you don't over fill it.it will result In blowing your motor.