How to Put a Power Tilt on an Outboard Boat Motor

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How to Put a Power Tilt on an Outboard Boat Motor
Ready to raise the engine (small boat image by Martin Garnham from Fotolia.com)

There are several reasons a boat owner may want to install an outboard power tilt system. Sometimes a boat owner takes his boat from deep to shallow water and needs to raise the engine to safely gain access. Other times, the speed of a boat can be increased significantly by changing the tilt of the engine. Being able to automatically raise and lower the engine from the boat cockpit makes it easy to accomplish either of these tasks. Installing a power tilt and trim system is something most any boat owner can accomplish over a weekend.

Skill level:
Moderate

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Things you need

  • Cordless drill with drill bits
  • Marine silicone caulk
  • Adjustable wrench
  • Boat engine left
  • Marker
  • Abrasive cleaning pad
  • Household cleaner
  • Eye protection

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Instructions

    Remove the Engine

  1. 1

    Put the boat on a trailer and place the trailer on a flat working area. Disconnect the wiring harness, gas line, steering hardware and any other lines connected to the engine.

  2. 2

    Lift the engine off the boat using the engine lift according to instructions from the boat engine lift manufacturer and the outboard engine manufacturer. Roll the engine lift and engine away from the transom of the boat to allow free space to work.

  3. 3

    Clean the transom with an abrasive cleaning pad and household cleaner.

    Mount the System

  1. 1

    Carefully centre the power tilt and trim system against the stern of the boat. The top of this system should be approximately a half inch above the top edge of the stern. Use the marker to make marks through the holes in the power tilt and trim system and on the stern of the boat.

  2. 2

    Place a half-inch drill bit into the cordless drill. Drill holes through the stern at the points marked in the previous step. Squirt approximately one tablespoon of marine caulking around each hole.

  3. 3

    Place the provided bolts through the holes in the power tilt and trim system and through the drilled holes in the stern of the boat. Slide the washers and nuts provided over the bolts and screw tightly with the adjustable wrench.

  4. 4

    Wheel the engine on the outboard engine lift to the power tilt and trim system. Lower the engine on the power tilt and trim system. Attach the engine to the power tilt and trim system using the nuts and bolts provided.

    Attach Cables and Connections

  1. 1

    Attach the provided wiring harness to the power tilt and trim system. Route the control cable to the boat cockpit. Place the adjustment switch in any available switch receptacle and attach the wiring.

  2. 2

    Route the power cable to the boat battery. Attach the positive and negative controls to the corresponding battery posts.

  3. 3

    Move the switch to the up position and check that the engine moves up. Move the switch to the down position and check that the engine moves down. If the engine does not move in a desired direction check the connections and re-accomplish the wiring.

  4. 4

    Reattach all engine connections previously removed. Launch the boat and check the operation of the power tilt and trim system.

Tips and warnings

  • Use a digital camera to take pictures of the engine prior to removing any cables or connections. Use these pictures to aid in reattaching cables and connections.
  • Always use eye protection when working with power tools.

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