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How to measure steering cable length?

Get Back on the Water with the perfect fit. Nothing ruins a weekend faster than a seized or snapped steering cable. But before you can get back to boating, you need the right replacement. Measuring a steering cable can feel like a guessing game, but getting it right the first time saves you the headache of returns and time. Whether you’re reading the code off an old jacket or measuring a new run from scratch, this quick guide will ensure your boat handles exactly the way it should.

Replacing an Existing Cable

If you already have the old cable out of the boat, this is the easiest (and most accurate) way to do it.

  • Find the Part Number: Look at the plastic jacket (the black outer casing) of the old cable. Usually, about 2 feet from the ends, there’s a stamped code (e.g., SSC6214). The last two digits are usually the length in feet.
  • The "Jacket Plus" Rule: If you can't find a number, measure the length of the black plastic jacket only in inches.
  • Do the Math: * Take that jacket measurement and add 18 inches.

Round up to the next foot.
Example: Jacket is 142". Plus 18" = 160". Divide by 12 = 13.3 feet. Order a 14-foot cable.

 

 New Installation (No Old Cable)

If you’re building a boat or the old cable is missing, you’ll need to measure the physical path.

  1. Measure from the centre of the steering wheel to the side gunwale.
  2. Measure from that point along the side of the boat to the transom (back corner).
  3. Measure from the corner to the centre of the engine/outboard.

Tips for Success

  • Don't Measure Tip-to-Tip: Cable lengths are almost never sold by the "total length" of the metal rods; they are measured by the casing + a standard offset.
  • The "Big Loop" Rule: If your cable enters the engine from the side (common on outboards), make sure you leave enough slack for the engine to tilt and turn fully without binding.
  • Never Go Short: You can usually hide an extra foot of cable in a wide sweep, but you can’t stretch a cable that’s 3 inches too short.

Common Questions:

Q: Can I measure my steering cable from tip to tip?
A: No. Steering cables are industry-standardised based on the length of the outer plastic jacket plus a specific offset (usually 18 inches). Measuring tip-to-tip will result in ordering a cable that is too long.