Mercury / MotorGuide variable speed 12V electric outboard motor lower unit only

Wiring diagram is included – use the red and black wires for full speed, or add a three-pole switch for speed control. Prop shaft diameter is 3/8. The motor is reversible (swap the red and black wires). The item “Mercury / MotorGuide variable speed 12V electric outboard motor lower unit only” is in sale since

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