DISCONNECTOR 6G8-81870-00

Function and technical context

The 6G8-81870-00 disconnect is a critical component of the Yamaha outboard motor electrical system, responsible for interrupting the power supply in a safe and controlled manner. This piece acts as a cutting element in the power circuit, allowing the motor to be deactivated immediately in emergency situations or during maintenance. Its correct operation is essential to guarantee navigation safety and avoid problems of irregular operation of the ignition and engine charging system.

When to replace this part?

The disconnector presents symptoms of failure when the engine does not respond to the ignition cut-off, the internal contacts corrode due to exposure to marine humidity, or when intermittent contact occurs that causes spontaneous power cuts during navigation. Although there is no fixed maintenance interval, it is advisable to inspect its condition at each seasonal inspection and replace it preventively if oxidation is observed on the terminals or if the disconnection mechanism requires excessive pressure to operate. Preventive replacement in boats with intense use avoids running out of power in critical situations and prolongs the useful life of the engine's electrical systems.

Equivalent manufacturer part numbers