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

🚤 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

🔄 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

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated