689-81800-12 Yamaha Starter Motor | Genuine Used Part

🔧 Product Description

Genuine Yamaha Starter Motor Assembly - Part Number: 689-81800-12

A genuine Yamaha starter motor assembly used on Yamaha 25HP, 30HP and 40HP two-stroke outboards. This 12-volt, 9-tooth starter motor family is commonly associated with Hitachi S108-80 style starter systems.

⚙️ Key Features

• Genuine Yamaha starter motor assembly

• Correct Yamaha part number 689-81800-12

• Supersedes earlier 689-81800-10 and 689-81800-11 starter references

• Used on Yamaha 25HP, 30HP and 40HP two-stroke outboards

• 12-volt, 9-tooth starter family

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 689-81800-12 later Yamaha starter motor assembly reference

• 689-81800-11 related earlier starter motor assembly reference

• 689-81800-10 earlier Yamaha starter motor assembly reference

OEM / Related Numbers:

• 689-81800-12

• 689-81800-12-00

• 689818001200

• 689-81800-11

• 689-81800-11-00

• 689-81800-10

• 689-81800-10-00

• Hitachi: S108-80

• S108-80 starter reference

Aftermarket / Verified Equivalents:

• Aftermarket reference: 689-81800-12

• Aftermarket Hitachi-style reference: S108-80

• Marine replacement starter for Yamaha 25HP / 30HP / 40HP two-stroke applications

🚤 Compatibility

Commonly used on:

• Yamaha 25HP to 40HP two-stroke electric-start systems

• Yamaha 689-series starter motor applications

Typically suits:

• Engine models:

• Yamaha 25HP two-stroke starter applications

• Yamaha 25N / 25D / 25MLH / 25ELH applications where 689-81800-12 is specified

• Yamaha 30HP two-stroke starter applications

• Yamaha 30D / 30DE / 30MLH / 30ELH applications using the 689 starter family

• Yamaha C30 / C40 two-stroke starter applications

• Yamaha C30ELR / C40ELR / C40ESH / C40MLH starter systems

• Yamaha 40HP two-stroke starter applications where 689-81800-12 is specified

• HP Range: commonly 25HP - 40HP

• Engine Type: Yamaha two-stroke outboard

• Year Range: approximately 1984-1997, with later model-specific applications where listed

• Starter Type: 12V, 9-tooth starter motor family

🔌 Function

The starter motor provides electric cranking power by engaging the flywheel and rotating the engine during starting.

Common signs of failure:

• Starter clicks but does not crank

• Slow cranking despite good battery voltage

• Starter drive not engaging

• Grinding noise at flywheel

• Intermittent starting fault

• Worn brushes, bushings, armature or starter gear

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated