61A-4389H-01 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha O-Ring - Part Number: 61A-4389H-01-00

A genuine Yamaha OEM O-ring used in Yamaha outboard assemblies where part number 61A-4389H-01-00 is specified. This sealing ring is commonly listed on Yamaha F200, F225, F250 and F300 model-family diagrams and is used to maintain pressure and fluid sealing in the matching assembly.

⚙️ Key Features

• Genuine Yamaha OEM O-ring
• Correct Yamaha part number 61A-4389H-01-00
• Precision sealing ring for Yamaha outboard assemblies
• Used on selected F200, F225, F250 and F300 applications
• Helps prevent fluid leakage and pressure loss

🚤 Compatibility

Commonly used on

• Yamaha high-output outboard assemblies using 61A-4389H-01-00
• Yamaha F200 / F225 / F250 / F300 model-family applications where this O-ring is listed

Typically suits

• Engine models:
• Yamaha F200XA applications where 61A-4389H-01-00 is specified
• Yamaha F225NCA applications where 61A-4389H-01-00 is specified
• Yamaha F225XA applications where 61A-4389H-01-00 is specified
• Yamaha F225XCA applications where 61A-4389H-01-00 is specified
• Yamaha F250NCA applications where 61A-4389H-01-00 is specified
• Yamaha F250TUR / F250TXR applications where 61A-4389H-01-00 is specified
• Yamaha F250UA / F250UCA applications where 61A-4389H-01-00 is specified
• Yamaha F300 model-family applications where the Yamaha diagram lists 61A-4389H-01-00
• HP Range: commonly 200HP - 300HP where specified
• Engine Type: Yamaha four-stroke outboard
• Year Range: model-specific F200 / F225 / F250 / F300 applications
• Component Type: Sealing O-ring

🔌 Function

The O-ring seals the matching Yamaha assembly to prevent fluid leakage, pressure loss or water intrusion depending on its installation location.

⚠️ Common Signs of Failure

• Fluid seepage around the sealed joint
• O-ring flattened, cut or hardened
• Seal damage during disassembly
• Pressure loss in the serviced assembly
• Water or oil residue near the sealing point
• Required replacement whenever the sealed component is removed

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 61A-4389H-01-00 Yamaha O-ring reference
• 61A-4389H-01 short Yamaha O-ring format

OEM / Related Numbers

• 61A-4389H-01-00
• 61A-4389H-01
• 61A4389H0100
• 61A4389H01

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging