Yamaha 6Y8-0E83R-51-00 – Command Link Twin Engine Gauge Kit with 704 Control Box (Round 3-Gauge Kit)

The Yamaha 6Y8-0E83R-51-00 Command Link Round Three Gauge Twin Engine Kit with the 704 Control Box is an all-in-one package designed to deliver precise engine data, streamlined controls, and reliability for twin engine Yamaha outboards. Built for 2006 and newer Yamaha twin engine applications, this kit is a genuine OEM system that ensures compatibility, accuracy, and long-term dependability.

Note: Not compatible with DEC (Digital Electronic Control) engines.

Key Features

• Complete Gauge & Control Kit – Includes dual tachometers, speed/fuel management, wiring harnesses, control box, and switch panel.
• Real-Time Engine Monitoring – Displays RPMs, fuel management, speed, and key operating stats.
• 704 Binnacle Control Box – Smooth and precise throttle/shift control for twin Yamaha outboards.
• Plug-and-Play Installation – Comes with OEM harnesses, connectors, and user operation guide.
• Engineered for Yamaha Twins – Designed for twin-engine boats with full integration and reliability.
• Durability You Can Trust – Built to withstand marine environments with corrosion-resistant parts.

What’s Included in the Kit

• Tachometer Assembly (2 ea) - 6Y8-8350T-20-00
• Speedometer / Fuel Management - 6Y8-83500-20-00
• Multi-Hub Assembly (2 ea) - 6Y8-81920-01-00
• Power Lead, 8 ft. - 6Y8-83553-01-00
• Cap, 2 Pin - 6Y8-82582-01-00
• Cap, 4 Pin - 6Y8-82582-11-00
• Speed Sensor Kit - 60V-8A4L1-1B-00
• 704 Twin Engine Binnacle Control Box - 704-48207-R0-00
• Twin Engine Main Switch Panel Assembly - 6Y8-82570-04-00
• Fuel Sender and GPS Wire Lead - 6Y8-8356N-01-00
• Main Wire Harness, 10 Pin, 26.2 ft - 6K1-8258A-40-00
• Main Wire Harness, 10 Pin, 31.2 ft - 61B-8258A-01-00
• Pigtail Harness, Engine to Rear Hub, 12 ft (2 ea)- 6Y8-82521-51-00
• User Operation Guide - 6Y8-2819W-70-E0

Compatibility

• Works with all 2006 and later Yamaha twin engine outboard applications.
• Not compatible with Yamaha DEC (Digital Electronic Control) engines.
• Ideal for twin-engine setups in offshore, sport, and commercial boats where precision monitoring is essential.

Installation Overview

Installation involves connecting the included harnesses to the Yamaha multi-hub system, mounting gauges in standard 3-3/8" and 3-1/8" round cutouts, and integrating the 704 Control Box with your twin engine throttles.

Basic steps:

• Mount gauges into helm console cutouts.
• Connect harnesses from engines to multi-hubs.
• Wire hubs to tachometers, speed/fuel gauge, and switch panel.
• Install the 704 twin binnacle control box and connect to throttle/shift cables.
• Connect power lead and GPS/fuel sender wiring.
• Test system following Yamaha’s user operation guide.

Recommended: Professional installation by a Yamaha-certified marine technician.

FAQs

 

What does the Yamaha 6Y8-0E83R-51-00 kit include?

Two tachometers, a speed/fuel management gauge, dual multi-hubs, wiring harnesses, connectors, switch panel, a speed sensor, and a 704 twin binnacle control box—everything needed for installation.

What is the 704 Control Box?

The 704 is Yamaha’s OEM binnacle-style throttle/shift control designed for smooth and precise operation of twin outboards.

Can I use this kit on a single engine?

This kit is specifically designed for twin engine configurations.

Does it work with Digital Electronic Control (DEC) engines?

It is not compatible with DEC models.

Do I need additional parts to install this kit?

The kit includes all major harnesses and hubs required. However, depending on boat configuration, additional extension harnesses or mounting hardware may be needed.