8M0065220 S114-828B Mercury Starter Motor | Genuine Used Part

🔧 Product Description

Genuine Mercury / Yamaha-Built Four-Stroke Starter Motor - Part Number: 8M0065220

A genuine Mercury starter motor used on Yamaha-built Mercury / Mariner 75HP, 80HP, 90HP, 100HP and 115HP four-stroke outboards. This starter motor cross-references with Yamaha 67F-81800-04-00 and Hitachi S114-828B style starter assemblies.

⚙️ Key Features

• Genuine Mercury starter motor assembly
• Correct OEM reference 50-8M0065220
• Cross-references with Yamaha 67F-81800-04-00
• Hitachi S114-828B starter family
• Used on 75HP to 115HP four-stroke outboards

🚤 Compatibility

Commonly used on

• Mercury / Mariner Yamaha-built four-stroke outboards
• Yamaha 75HP / 80HP / 90HP starter systems sharing the 67F starter family

Typically suits

• Engine models:
• Mercury 75HP 4-Stroke starter applications
• Mercury 80HP 4-Stroke starter applications
• Mercury 90HP 4-Stroke starter applications
• Mercury 100HP 4-Stroke starter applications
• Mercury 115HP 4-Stroke applications where 8M0065220 is specified
• Mariner 75HP / 80HP / 90HP / 100HP / 115HP four-stroke starter applications using 8M0065220
• Yamaha F75 / F80 / F90 starter systems using 67F-81800-04-00 starter family
• HP Range: commonly 75HP - 115HP
• Engine Type: Mercury / Mariner Yamaha-built four-stroke outboard
• Year Range: approximately 2000-2005 for core 75HP-90HP applications, with model-specific 100HP-115HP use where listed
• System Type: Electric starter motor

🔌 Function

The starter motor engages the flywheel and cranks the four-stroke engine during electric starting.

⚠️ Common Signs of Failure

• Starter relay clicks but motor does not crank
• Slow crank despite good battery and cables
• Starter pinion not engaging
• Grinding or slipping at flywheel
• Intermittent hot-start issue
• Worn brushes, armature, bearings or drive gear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 50-8M0065220 later Mercury starter motor reference
• 50-804312T1 related Mercury starter motor reference
• Yamaha 67F-81800-04-00 related shared-platform starter reference

OEM / Related Numbers

• 8M0065220
• 50-8M0065220
• 804312T1
• 50-804312T1
• Yamaha: 67F-81800-04-00
• Yamaha: 67F818000400
• Hitachi: S114-828B
• S114-828B

Aftermarket / Verified Equivalents

• Sierra: 18-6425
• ARCO: 3430
• Aftermarket reference: 50-8M0065220
• Aftermarket reference: 67F-81800-04-00

📦 Condition

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