812777T1 Mercury Fly Wheel Cover | Genuine Used Part

🔧 Product Description

Genuine Mercury / Mariner Outboard Flywheel and Stator Cover - Part Number: 812777T1

A genuine used Mercury and Mariner protective flywheel cover for selected 30HP-125HP two-stroke outboards.

The current 812777T1 assembly supersedes earlier references 812777T, 812777A1 and 812777-1. It installs over the flywheel, stator and upper starter area to help protect the rotating and electrical components.

⚙️ Key Features

• Genuine Mercury / Mariner stator cover
• Current Mercury reference 812777T1
• Replaces earlier 812777-series covers
• Protects rotating flywheel and ignition components
• Fits selected three-cylinder and four-cylinder two-stroke engines

🚤 Compatibility

Commonly used on

• Mercury and Mariner two-stroke flywheel assemblies
• Electric-start outboards with covered stator and charging components
• Three-cylinder and four-cylinder 30HP-125HP engine families

Typically suits

• Engine models:
• Mercury / Mariner 30HP
• Mercury / Mariner 40HP
• Mercury / Mariner 45 Jet
• Mercury / Mariner 50HP
• Mercury / Mariner 55HP
• Mercury / Mariner 60HP
• Mercury / Mariner 65 Jet
• Mercury / Mariner 75HP
• Mercury / Mariner 90HP
• Mercury / Mariner 100HP
• Mercury / Mariner 115HP
• Mercury / Mariner 125HP
• 2003 Mercury 75HP two-stroke applications using 812777T1
• Engines whose flywheel and starter diagram lists cover assembly 812777T1
• HP Range: 30HP - 125HP
• Engine Type: Mercury / Mariner two-stroke outboard
• Year Range: Approximately 1994 - 2006

🔌 Function

The cover guards the flywheel, stator and ignition wiring against contact, dropped hardware and loose objects beneath the engine cowling.

⚠️ Common Signs of Failure

• Cover is cracked or split
• Retaining holes or mounting tabs are broken
• Cover rattles at idle
• Cover rubs on the flywheel
• Wiring is exposed to the rotating assembly
• Cover no longer remains securely installed
• Heat damage or distortion is present

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 812777T1 → Supersedes 812777T
• 812777T → Supersedes 812777A1
• 812777A1 and 812777-1 earlier Mercury cover references

OEM / Related Numbers

• 812777T1
• 812777T 1
• 812777T
• 812777A1
• 812777 A1
• 812777-1
• Matching retaining screws and clips from the applicable generator assembly

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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