# 8M0065220 S114-828B Mercury Starter Motor | Genuine Used Part

🔧 Product Description

  

Genuine Mercury / Yamaha-Built Four-Stroke Starter Motor - Part Number: 8M0065220

  

A genuine Mercury starter motor used on Yamaha-built Mercury / Mariner 75HP, 80HP, 90HP, 100HP and 115HP four-stroke outboards. This starter motor cross-references with Yamaha 67F-81800-04-00 and Hitachi S114-828B style starter assemblies.

  

⚙️ Key Features

  

• Genuine Mercury starter motor assembly

• Correct OEM reference 50-8M0065220

• Cross-references with Yamaha 67F-81800-04-00

• Hitachi S114-828B starter family

• Used on 75HP to 115HP four-stroke outboards

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 50-8M0065220 later Mercury starter motor reference

• 50-804312T1 related Mercury starter motor reference

• Yamaha 67F-81800-04-00 related shared-platform starter reference

  

OEM / Related Numbers:

  

• 8M0065220

• 50-8M0065220

• 804312T1

• 50-804312T1

• Yamaha: 67F-81800-04-00

• Yamaha: 67F818000400

• Hitachi: S114-828B

• S114-828B

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-6425

• ARCO: 3430

• Aftermarket reference: 50-8M0065220

• Aftermarket reference: 67F-81800-04-00

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner Yamaha-built four-stroke outboards

• Yamaha 75HP / 80HP / 90HP starter systems sharing the 67F starter family

  

Typically suits:

  

• Engine models:

• Mercury 75HP 4-Stroke starter applications

• Mercury 80HP 4-Stroke starter applications

• Mercury 90HP 4-Stroke starter applications

• Mercury 100HP 4-Stroke starter applications

• Mercury 115HP 4-Stroke applications where 8M0065220 is specified

• Mariner 75HP / 80HP / 90HP / 100HP / 115HP four-stroke starter applications using 8M0065220

• Yamaha F75 / F80 / F90 starter systems using 67F-81800-04-00 starter family

  

• HP Range: commonly 75HP - 115HP

• Engine Type: Mercury / Mariner Yamaha-built four-stroke outboard

• Year Range: approximately 2000-2005 for core 75HP-90HP applications, with model-specific 100HP-115HP use where listed

• System Type: Electric starter motor

  

🔌 Function

  

The starter motor engages the flywheel and cranks the four-stroke engine during electric starting.

  

Common signs of failure:

  

• Starter relay clicks but motor does not crank

• Slow crank despite good battery and cables

• Starter pinion not engaging

• Grinding or slipping at flywheel

• Intermittent hot-start issue

• Worn brushes, armature, bearings or drive gear

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 250.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Starter Motors | Marine Starter Motors & Cranking Systems

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 250.00 AUD | In stock |

## Images

- 8M0065220 S114-828B Mercury Starter Motor | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8m0065220-s114-828b-mercury-starter-motor-genuine-used-part)
> Updated: 2026-07-06