Yamaha Single Engine Key Switch Assembly | 704-8257C-03-00

The Yamaha Single Engine Key Switch Assembly 704-8257C-03-00 is made for single outboard applications where a complete key switch assembly is needed without a full panel layout. It is a straightforward Yamaha rigging component for custom dashboards, service replacements, or helm builds that require dependable ignition control. The compact assembly helps keep starting functions simple and easy to access.

Key Features

• Single Engine Key Switch Assembly: Uses the main switch and lanyard style found in the Yamaha 704 single-engine panel.
• Without Panel: Ideal when the switch is needed without the full dash panel assembly.
• Custom Installation Friendly: A practical choice for custom helm layouts and service replacements.
• Emergency Stop Lanyard Support: Works with the Yamaha safety lanyard setup for emergency shut-off function.
• OEM Yamaha Service Design: Maintains Yamaha fit and switch function in compatible applications.

Installation Note

Installation should be performed with the battery disconnected and the wiring matched to the correct Yamaha conventional rigging configuration. Confirm the connector style, existing panel part number, and engine setup before installation.

Replacement Parts

• Replacement Main Switch: 704-82510-0A-00
• Replacement Lanyard: 682-82556-00-00

FAQs

Q1: What is this Yamaha switch panel used for?
A1: It is used as a single-engine key switch assembly for custom Yamaha single-engine installations.

Q2: How should I confirm this is the correct Yamaha part?
A2: Match the part number to your current switch, panel, or Yamaha rigging reference, and confirm your engine count, station setup, and connector style before ordering.

Q3: Can I install this switch panel myself?
A3: Marine electrical work should be done with battery power disconnected and wiring matched correctly. If you are not sure about the rigging layout, have a qualified marine technician install or inspect it.

Q4: Are related replacement parts available separately?
A4: Yes. Common related service parts are listed in the Replacement Parts section when available.

• Supersessions
  704-8257C-00-00, 704-8257C-01-00, 704-8257C-02-00, 704-8257C-04-00, 704-8257C-04-00