6G8-81800-10 6G8-81800-11 Yamaha Starter Motor | Genuine Used Part

🔧 Product Description

Genuine Yamaha Starter Motor Assembly - Part Numbers: 6G8-81800-10 / 6G8-81800-11

A genuine Yamaha starter motor used on Yamaha 9.9HP and 15HP four-stroke outboards using the 6G8 starter family. This starter motor provides electric cranking for Yamaha portable four-stroke engines.

⚙️ Key Features

• Genuine Yamaha starter motor assembly
• Correct Yamaha references 6G8-81800-10 and 6G8-81800-11
• Used on Yamaha 9.9HP and 15HP four-stroke outboards
• Electric-start component for portable Yamaha engines
• Related to F9.9A / FT9.9 / F15 starter motor systems

🚤 Compatibility

Commonly used on

• Yamaha F9.9 four-stroke electric-start systems
• Yamaha F15 four-stroke electric-start systems
• Yamaha 6G8-series portable four-stroke starter assemblies

Typically suits

• Engine models:
• Yamaha F9.9A four-stroke starter applications
• Yamaha F9.9 electric-start portable outboards using 6G8 starter components
• Yamaha FT9.9 high-thrust starter applications where the 6G8 starter family is listed
• Yamaha F15 four-stroke starter applications
• Yamaha F15 electric-start portable outboards using 6G8-81800-10 / 6G8-81800-11
• HP Range: commonly 9.9HP - 15HP
• Engine Type: Yamaha portable four-stroke outboard
• Year Range: approximately late-1980s through 1990s for core 6G8 starter-family use, with model-specific applications beyond that where listed
• System Type: Electric starter motor

🔌 Function

The starter motor engages the flywheel ring gear and cranks the engine when the electric-start circuit is activated.

⚠️ Common Signs of Failure

• Starter relay clicks but motor does not crank
• Slow cranking with a charged battery
• Starter drive not engaging the flywheel
• Grinding or slipping during start
• Intermittent starting after heat or vibration
• Worn brushes, bushings, armature or pinion gear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6G8-81800-11 later related Yamaha starter motor reference
• 6G8-81800-10 earlier Yamaha starter motor reference

OEM / Related Numbers

• 6G8-81800-11
• 6G8-81800-11-00
• 6G8818001100
• 6G8-81800-10
• 6G8-81800-10-00
• 6G8818001000

Aftermarket / Verified Equivalents

• Aftermarket reference: 6G8-81800-10
• Aftermarket reference: 6G8-81800-11
• Marine replacement starter for Yamaha F9.9 / F15 four-stroke applications

📦 Condition

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