# 73521 898265005 Mercury Starter Motor | Genuine Used Part

🔧 Product Description

  

Genuine Mercury / Mariner Starter Motor - Part Numbers: 50-73521 / 50-898265005

  

A genuine Mercury / Mariner starter motor used on older Mercury two-stroke outboards. This 10-tooth starter family is associated with the Mercury inline starter system and related service parts used across mid-range and high-output two-stroke applications.

  

⚙️ Key Features

  

• Genuine Mercury / Mariner starter motor

• Correct OEM references 50-73521 and 50-898265005

• 10-tooth starter drive family

• Used on Mercury / Mariner two-stroke electric-start systems

• Related to Mercury inline starter motor component chart applications

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 50-898265005 later related Mercury starter motor service reference

• 50-73521 earlier Mercury starter motor reference

• 735211 related chart / typed reference for the 73521 starter family

  

OEM / Related Numbers:

  

• 50-898265005

• 898265005

• 50-73521

• 73521

• 735211 typed / chart reference

• 685753 related brush set component

• 90643 related starter component

• 75660 related starter component

  

Aftermarket / Verified Equivalents:

  

• Aftermarket reference: 50-73521

• Aftermarket reference: 50-898265005

• 10-tooth Mercury / Mariner starter replacement family

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner two-stroke starter motor assemblies

• Older 10-tooth Mercury starter systems using the 73521 starter family

  

Typically suits:

  

• Engine models:

• Mercury inline two-stroke starter applications where 50-73521 is specified

• Mercury / Mariner mid-range and inline high-output electric-start systems using the 73521 / 898265005 starter family

• Mercury starter motor assemblies using the 10-tooth 73521 starter reference and matching service components

  

• HP Range: model-specific Mercury / Mariner two-stroke applications where listed by starter diagram

• Engine Type: Mercury / Mariner two-stroke outboard

• Year Range: older Mercury / Mariner starter-family applications where the parts chart lists 50-73521 / 50-898265005

• Starter Type: 10-tooth starter motor family

  

🔌 Function

  

The starter motor converts battery current into mechanical cranking force, engaging the flywheel to start the engine.

  

Common signs of failure:

  

• Starter solenoid clicks but motor does not turn

• Slow or weak cranking

• Starter pinion grinding or slipping

• Intermittent no-crank issue

• Excessive current draw

• Brush, armature, bearing or drive gear wear

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 60.0 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 | 60.00 AUD | In stock |

## Images

- 73521 898265005 Mercury Starter Motor | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/73521-898265005-mercury-starter-motor-genuine-used-part)
> Updated: 2026-07-06