YAMAHA STARTER MOTOR 6AH-81800-00 4

Function and technical context

The starter motor is the component responsible for starting the outboard motor, transforming the electrical energy from the battery into mechanical movement to start combustion. It works in close coordination with the boat's electrical system, receiving the operator's command through the ignition button or key. Its correct operation is essential to guarantee reliable starting in any navigation condition, avoiding compromised situations in which the engine does not respond when trying to start, especially in open water or during critical maneuvers.

When to replace this part?

Symptoms of starter motor wear include slow breaks or no turning at all when the start button is pressed, metallic noises during starting, or needing multiple attempts to bring the engine to life. It is recommended to check its condition during each seasonal maintenance, and especially after prolonged periods of inactivity or exposure to saline environments. Replacing it preventively when the first signs of weakening appear prevents it from becoming immobile in the water and guarantees safe navigation.

Yamaha Engine Compatibility Chart

Equivalent manufacturer part numbers