# 6H3-81800-10 6H3-81800-11 Yamaha Starter Motor Hitachi | Genuine Used Part

🔧 Product Description

  

Genuine Yamaha Hitachi Starter Motor Assembly - Part Numbers: 6H3-81800-10 / 6H3-81800-11

  

A genuine Yamaha Hitachi-style starter motor used on Yamaha 60HP and 70HP three-cylinder two-stroke outboards. This 12-volt, 9-tooth, counter-clockwise starter motor family is commonly used on Yamaha 60F and 70-series two-stroke engines.

  

⚙️ Key Features

  

• Genuine Yamaha starter motor assembly

• Correct Yamaha references 6H3-81800-10 and 6H3-81800-11

• Hitachi-style starter motor

• 12-volt, 9-tooth, counter-clockwise starter family

• Used on Yamaha 60HP and 70HP two-stroke outboards

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6H3-81800-11 later Yamaha starter motor reference

• 6H3-81800-10 earlier Yamaha starter motor reference

• 6F5-81800-11 related Yamaha starter motor reference in the same replacement family

  

OEM / Related Numbers:

  

• 6H3-81800-11

• 6H3-81800-11-00

• 6H3818001100

• 6H3-81800-10

• 6H3-81800-10-00

• 6H3818001000

• 6F5-81800-11

• Hitachi: S108-97

• Hitachi: S108-97A

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-6411

• ARCO: 3422

• API Marine / aftermarket reference: PH130-0050

• DB Electrical: 410-44083

• MES: 18311N

• Aftermarket reference: 6H3-81800-10 / 6H3-81800-11 / S108-97A

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha 60HP and 70HP three-cylinder two-stroke outboards

• Yamaha 6H3 / 6F5 starter motor systems

  

Typically suits:

  

• Engine models:

• Yamaha 60F two-stroke starter applications

• Yamaha 60FE / 60FETO starter applications where 6H3-81800-10 / 11 is specified

• Yamaha E60H / E60HM starter systems using the 6H3 starter family

• Yamaha 70B two-stroke starter applications

• Yamaha 70C two-stroke starter applications

• Yamaha 70E two-stroke starter applications

• Yamaha 70TLR / 70TR / 70ETL starter applications using the 6H3 starter motor family

  

• HP Range: commonly 60HP - 70HP

• Engine Type: Yamaha three-cylinder two-stroke outboard

• Year Range: approximately 1990-2009 for core 60HP / 70HP replacement-family coverage

• Starter Type: 12V, 9-tooth, counter-clockwise rotation

  

🔌 Function

  

The starter motor engages the flywheel ring gear and cranks the engine during electric starting.

  

Common signs of failure:

  

• Starter clicks but does not crank

• Slow cranking under load

• Starter gear fails to engage

• Grinding noise at flywheel

• Starter spins without turning the engine

• Worn brushes, bushings, armature or starter drive

  

📦 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 – Starter Motors | Marine Starter Motors & Cranking Systems

## Variants

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

## Images

- 6H3-81800-10 6H3-81800-11 Yamaha Starter Motor Hitachi | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6h3-81800-10-6h3-81800-11-yamaha-starter-motor-hitachi-genuine-used-part)
> Updated: 2026-07-06