881335T 280-881335T Mercury Flywheel | Genuine Used Part

🔧 Product Description

Genuine Mercury / Yamaha 115HP Four-Stroke Flywheel Rotor - Part Number: 280-881335T

A genuine used Mercury magnetic flywheel for Yamaha-manufactured Mercury and Mariner 115 EFI four-stroke outboards.

The flywheel mounts over the stator and carries the permanent magnets required for alternator output. Mercury reference 881335T directly corresponds with Yamaha rotor assembly 68V-81450-00-00.

⚙️ Key Features

• Genuine Mercury / Yamaha flywheel rotor
• Correct Mercury reference 280-881335T
• Direct Yamaha equivalent 68V-81450-00-00
• Carries the permanent charging-system magnets
• Suits Yamaha-based Mercury 115 EFI four-stroke engines

🚤 Compatibility

Commonly used on

• Mercury 115 EFI four-stroke outboards
• Mariner 115 EFI four-stroke outboards
• Yamaha-manufactured Mercury four-stroke powerheads

Typically suits

• Engine models:
• Mercury 115 EFI four-stroke
• Mariner 115 EFI four-stroke
• Mercury serial range 0T178500 through 0T800999
• Mercury serial range 0T801000 through 1B226999
• Yamaha F115-family engines using rotor 68V-81450-00-00
• HP Range: 115HP
• Engine Type: Inline four-cylinder, four-stroke EFI outboard
• Year Range: Approximately 2001 - 2006

🔌 Function

The flywheel supplies rotating inertia, carries the magnetic field used by the stator to generate electrical power and provides the rotating reference for the engine's timing and charging systems.

⚠️ Common Signs of Failure

• Loose, cracked or detached magnets
• Battery charging output is low or absent
• Flywheel contacts or damages the stator
• Crankshaft taper or keyway is worn
• Excessive vibration or runout
• Corrosion inside the magnetic rotor
• Irregular charging-system voltage

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 280-881335T Mercury flywheel / rotor reference
• 68V-81450-00-00 corresponding Yamaha rotor assembly

OEM / Related Numbers

• Mercury: 881335T
• Mercury: 280-881335T
• Yamaha: 68V-81450-00-00
• Stator: 881336T2
• Yamaha stator: 68V-81410-00-00
• Rectifier / regulator: 881346T
• Yamaha rectifier / regulator: 68V-81960-00-00

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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