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How to Mount Twin Outboards

Updated April 17, 2017

Mounting twin outboards may solve the problem of overheating and high gas consumption rates that most, if not all, boats with a single outboard motor are prone to having. There are several things to pay attention to while mounting twin outboards such as distance between the motors, alignment and power output. The process of mounting twin outboards requires the installation of an outboard bracket, mounting of the outboards and fine tuning. The process will take up to 24 hours of work.

Hold the twin bracket at the centre of your transom. See where the holes are and mark them on the transom. Use the power drill to drill holes through the marked places and hold the bracket back up against the transom. Drive bolts through the bracket into the transom and secure it from the inside.

Call customer support and calculate the angle for your transom. Readjust the bolts on the bracket to fit the angle of optimal propulsion.

Ask customer support about the optimum distance between the two motors. Hold the first motor half the distance from the centre line to the left. Bolt it on to the bracket. Hold the second motor half the distance from the centre line to the right. Bolt it on to the bracket.

Take the measuring tape and measure the distance from the tip of the first outboard to the second. Measure the distance 5 inches above the tip of the first outboard to the second. Adjust the angles until the two distances are the same.

Things You'll Need

  • Twin outboard bracket
  • Power drill
  • 2 outboard motors
  • Tool set
  • Measuring tape
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About the Author

Luke Kim started writing in 2008, with work published in magazines such as Korea's "ICON." Kim has written extensively for SEO consultants and has abundant experience with writing in most technical fields. He has a B.A. in English from Northwestern Polytechnic University.