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