Starter motor doesn't spin - Dangar Marine

Guide

Boat › Outboard › Powerhead › Engine doesn't crank › Solenoid clicks › Starter motor doesn't spin

If you hear the solenoid click when you turn the key but the starter motor doesn't turn at all the videos listed on this page should help you to diagnose and fix the problem.

Worn starter motor brushes

When the solenoid clicks but the starter doesn't turn, worn or sticking brushes are the usual cause. They rub against the spinning part of the motor to carry the current, so they wear down until the springs can't push them on any more.

PHOTO Dangar Marine

There is a problem with the boat's battery

The boat's electrical system starts and ends with the battery. It is important to check that the battery is fully charged and in good health before starting to diagnose any electrical problems.

The starter motor is faulty and doesn't spin

The starter motor won't spin, possibly from worn brushes or a burnt out winding. I show how to make a remote starter button so you can test it while working at the engine.

Making a remote starter button

When working on an outboard it can be handy to have a remote starter so you can watch the engine cranking rather than being up the front at the key.

Freeing up a seized engine

An engine is said to be seized when it is physically unable to turn. This can be due to corrosion, a bent conrod, bad bearings or a number of other causes.