6N7-81800-10 Yamaha Starter Motor | Genuine Used Part

🔧 Product Description

Genuine Yamaha Starter Motor Assembly - Part Number: 6N7-81800-10

A genuine Yamaha starter motor used on Yamaha V4 and V6 two-stroke outboards from 100HP through 250HP. This 12-volt, 9-tooth counter-clockwise starter family cross-references with 6K7, 61H and 69W starter references across Yamaha high-output two-stroke engines.

⚙️ Key Features

• Genuine Yamaha starter motor assembly

• Correct Yamaha part number 6N7-81800-10

• 12-volt, 9-tooth starter motor

• Used on Yamaha 100HP to 250HP two-stroke outboards

• Cross-references with 6K7 / 61H / 69W starter families

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6N7-WS818-01-00 related Yamaha starter kit / service reference

• 6N7-81800-10-00 later Yamaha starter motor reference

• 6N7-81800-01-00 related earlier starter motor reference

• 6N7-81800-00-00 earlier Yamaha starter motor reference

• 6K7-81800-10-00 related Yamaha starter motor reference

• 61H-81800-01-00 related Yamaha starter motor reference

• 61H-81800-00-00 related Yamaha starter motor reference

OEM / Related Numbers:

• 6N7-81800-10

• 6N7-81800-10-00

• 6N7818001000

• 6N7-81800-01-00

• 6N7-81800-00-00

• 6N7-WS818-01-00

• 6K7-81800-10-00

• 61H-81800-01-00

• 61H-81800-00-00

• 69W-81800-00 related aftermarket crossover reference

Aftermarket / Verified Equivalents:

• API Marine / aftermarket reference: MOT5004N-AM

• Aftermarket reference: 6N7-81800-10

• Aftermarket reference: 6K7-81800-10

• Aftermarket reference: 61H-81800-00

• Marine replacement starter for Yamaha 115HP-250HP two-stroke applications

🚤 Compatibility

Commonly used on:

• Yamaha V4 two-stroke starter systems

• Yamaha V6 two-stroke starter systems

• 9-tooth Yamaha high-output outboard starter applications

Typically suits:

• Engine models:

• Yamaha 100A two-stroke starter applications

• Yamaha 115TLR / 115TXR / 115C / B115 starter applications

• Yamaha C115 two-stroke starter systems

• Yamaha 130TLR / 130TXR / 130B starter applications

• Yamaha 150HP two-stroke starter applications

• Yamaha 175HP two-stroke starter applications

• Yamaha 200HP two-stroke starter applications

• Yamaha 225HP two-stroke starter applications

• Yamaha 250HP two-stroke starter applications

• Yamaha S115 / S150 / SX150 / VX150 / V150 starter-family applications

• Yamaha V6 150HP to 250HP starter systems using 6N7 / 6K7 / 61H reference families

• HP Range: commonly 100HP - 250HP

• Engine Type: Yamaha V4 / V6 two-stroke outboard

• Year Range: approximately 1997-2013 depending on model and market

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

🔌 Function

The starter motor engages the flywheel and cranks the engine. On V4 and V6 Yamaha two-stroke engines, correct cranking speed is essential for reliable ignition and fuel delivery during start-up.

Common signs of failure:

• Slow cranking or no crank

• Starter solenoid clicks but motor does not turn

• Starter drive slipping or grinding

• High current draw during cranking

• Intermittent hot-start issue

• Worn brushes, armature, bearings or drive gear

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated