Removing the Propeller Drive Motor
Before you can remove the propeller drive motor, you must remove the shaft from the steering servo (Removing the Shaft from the Steering Servo).
NOTE:
When removing the propeller drive motor, using a ball-head hex bit or wrench is highly recommended because of the angle needed to reach the head of the screws.
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Using the tool
included in the shaft and motor hardware service kit, remove the recessed nut 
that secures the transducer cable to the shaft.
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Using a ball-head 4 mm hex bit or wrench, remove the four screws
that secure the shaft base to the propeller drive motor.
When replacing the transducer, you should dispose of these four screws. New screws, washers, and O-rings are provided in the shaft and motor hardware service kit.
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Straighten the cables at the top of the shaft, and slowly pull the propeller drive motor away from the shaft base until you can see the power and data cables
connected to the propeller drive motor.
