Yamaha - Conventional Oil Tank Harness | 9.8 ft | 6R3-85721-30-00

Overview

The Yamaha Conventional Oil Tank Harness 6R3-85721-30-00 is a genuine Yamaha rigging component designed to connect supported remote oil-tank components within a compatible Yamaha outboard installation. This version is configured for 9.8 ft.

Built for oil-system wiring applications, this harness provides a dedicated connection that helps keep helm, engine, gauge, control, or network wiring organized and serviceable. Product application notes: Yamaha - Oil Tank Harness - Oil System Electrical Component - 6R3-82521-90-00 Overview On two strokes, the oil system is something you don’t take chances with. I’ve seen engines go into alarm or worse just from a bad connection between... Requirements vary by engine model, production year, station count, gauge family, connector style, and installed controls.

Key Features

• Application-specific Yamaha harness – Designed for oil-system wiring rather than as a universal marine wiring lead.
• Dedicated connection – Provides the electrical or data path needed to connect supported remote oil-tank components within a compatible Yamaha outboard installation.
• Defined configuration – Matches the length, connector, engine-count, station, or application details shown in the product title.
• Organized rigging – Helps avoid improvised splices and keeps compatible wiring easier to route, inspect, and service.
• Installation or replacement use – Suitable for a new correctly planned installation or replacement of the same confirmed Yamaha part number.
• Genuine Yamaha component – Built to integrate with compatible Yamaha outboard electrical, gauge, control, steering, or network systems.

Compatibility and Application

• Compatible Yamaha conventional outboard wiring systems
• Supported oil-tank and engine-side connector configurations
• New installations or service replacements calling for Yamaha part 6R3-85721-30-00
• Single- or multi-engine layouts only when specified by the applicable Yamaha rigging diagram

Confirm compatibility using the Yamaha outboard model, serial or production year, control type, gauge family, connector arrangement, and applicable rigging diagram before installation.

FAQs

What is the Yamaha 6R3-85721-30-00 used for?
It is used to connect supported remote oil-tank components within a compatible Yamaha outboard installation in a compatible Yamaha oil-system wiring installation.

Is this harness universal?
No. Compatibility depends on the engine model, production year, gauge or control family, connector style, station count, and complete rigging layout.

Can it replace an existing harness?
Yes, when the existing component is Yamaha part 6R3-85721-30-00 and the connectors and application match.

Does it include the complete rigging system?
No. Additional hubs, gauges, controls, adapters, power leads, switches, or engine-side harnesses may be required.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.