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

🔄 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

🚤 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

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated