# 6G5-85590-12-00 Yamaha Unit | Genuine Used Part

🔧 Product Description

  

Genuine Yamaha Control Unit Assembly - Part Number: 6G5-85590-12-00

  

A genuine Yamaha control unit assembly used on selected Yamaha 150HP, 175HP and 200HP two-stroke V6 outboards.

  

⚙️ Key Features

  

• Genuine OEM electrical component

• Correct OEM part number family

• Used on serial/model-specific marine applications

• Requires exact model and serial confirmation

• Includes full diagnostic relevance for electrical fault tracing

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6G5-85590-12-00 → Supersedes 6G5-85590-11-00

• 6G5-85590-11-00 → Supersedes / relates to 6G5-85590-10-00

• 6G5-85590-10-00 earlier control unit reference

  

OEM / Related Numbers:

  

• 6G5-85590-12-00

• 6G5855901200

• 6G5-85590-12

• 6G58559012

• 6G5-85590-11-00

• 6G5-85590-10-00

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha 6G5-family V6 two-stroke control / ignition systems

  

Typically suits:

  

• Engine models:

• Yamaha 150HP V6 two-stroke - approximately 1984-1989 applications

• Yamaha 175HP V6 two-stroke - approximately 1984-1989 applications

• Yamaha 200HP V6 two-stroke - approximately 1984-1989 applications

  

• HP Range: 150HP - 200HP

• Engine Type: Yamaha V6 two-stroke outboard

• Year Range: approximately 1984 - 1989 core 6G5 V6 control-unit applications

• Serial / Model Note: Match by exact model code, serial-numbered diagram, label and connector layout before installation.

  

🔌 Function

  

This component supports the engine electrical or ignition system according to its assigned control, charging, or signal-generation function.

  

Common signs of failure:

  

• No spark or weak spark

• Intermittent spark loss when hot

• Hard starting or no-start condition

• Misfire under load

• Fault remains after stator, trigger, coil and harness checks

• Water, heat or corrosion damage at connectors

• Spark returns when a known-good module is fitted

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 100.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Electronic Components | ECU CDI & Electrical Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 100.00 AUD | In stock |

## Images

- 6G5-85590-12-00 Yamaha Unit | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6g5-85590-12-00-yamaha-unit-genuine-used-part)
> Updated: 2026-06-29