How To Shorten Trolling Motor Shaft

How to Shorten a Trolling Motor Shaft: A Comprehensive Guide

So, you've got a trolling motor, but the shaft's just a little too long for your boat? Don't worry, shortening a trolling motor shaft is a doable DIY project, but it requires precision and care. This guide will walk you through the process safely and effectively.

Safety First: Essential Precautions

Before you even think about touching your trolling motor, remember safety is paramount. This involves:

• Disconnecting the Battery: This is absolutely crucial. A disconnected battery prevents accidental shocks and ensures you're working on a completely de-energized system.
• Appropriate Tools: Gather all the necessary tools before you begin. Improper tools can lead to damage or injury.
• Protective Gear: Wear safety glasses to protect your eyes from flying debris and work gloves to prevent cuts and abrasions.
• Work Area: Choose a clean, well-lit, and stable work area.

Assessing Your Trolling Motor and Shaft

Before you start cutting, take a moment to properly assess your equipment.

• Motor Model: Identify your trolling motor model. Knowing the model can help you find specific instructions or replacement parts, if needed.
• Shaft Material: Determine the material of your shaft. This will influence the tools and techniques you'll use for cutting. Most trolling motor shafts are made of aluminum or steel.
• Measurement is Key: Precisely measure the desired length of your shortened shaft. Double-check your measurements to avoid mistakes. Remember to account for the length of any existing hardware.

Tools You'll Need

You'll need a specific set of tools to shorten your trolling motor shaft safely and efficiently:

• Hacksaw or Metal Cutting Saw: A fine-tooth hacksaw or a metal cutting saw is ideal for precise cutting of the shaft.
• Measuring Tape: Essential for accurate measurements.
• File or Grinding Wheel: This is for smoothing out any rough edges after cutting.
• Vice Grips or Clamp: Securely holding the shaft during the cutting process.
• Wrench(es): Depending on your motor's design, you may need wrenches to remove existing hardware.
• Protective Gear: Safety glasses and work gloves are non-negotiable.

The Shortening Process: A Step-by-Step Guide

1. Secure the Shaft: Firmly clamp the shaft in a vise, ensuring it's secure and won't move during the cutting process.

2. Mark the Cut Line: Use your measurements to accurately mark the cut line on the shaft. Use a permanent marker for visibility.

3. Cut the Shaft: Slowly and carefully cut the shaft along the marked line using your chosen saw. Maintain a steady pace to prevent uneven cuts.

4. Smooth the Cut: Once cut, use a file or grinding wheel to smooth out any rough edges, burrs, or imperfections. This is crucial for preventing damage to other parts of the motor or the boat.

5. Reassemble: Once the shaft is properly shortened and smoothed, reassemble the motor, ensuring all components are securely fastened.

Post-Shortening Checks and Considerations

• Functionality: After reassembly, test your trolling motor to ensure it functions correctly and the shortened shaft doesn't interfere with any components.
• Corrosion Prevention: Apply a protective coating to the newly cut shaft end to prevent rust or corrosion.
• Professional Help: If you're uncomfortable performing this task yourself, it's always best to seek professional assistance.

This guide provides a general overview. Always consult your trolling motor's manual for specific instructions and recommendations. Remember, safety should always be your top priority. Happy boating!