69J-11355-00 Yamaha Seal | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Cylinder and Oil Pump Seal - Part Number: 69J-11355-00

A genuine Yamaha moulded seal used between the cylinder-block and oil-pump area of selected Yamaha four-stroke outboards.

The seal closes the oil-pump drive and cylinder interface, preventing lubricating oil from escaping and blocking water, air and contaminants from entering the protected cavity.

⚙️ Key Features

• Genuine Yamaha OEM cylinder seal
• Correct Yamaha part number 69J-11355-00
• Used around the engine oil-pump and cylinder-block assembly
• Suitable for broad Yamaha four-stroke service applications
• WSM and Southern Marine replacements available

🚤 Compatibility

Commonly used on

• Yamaha four-stroke cylinder-block and oil-pump assemblies
• Powerhead repair and oil-pump resealing procedures

Typically suits

• Engine models:
• Yamaha F90 four-stroke
• Yamaha F115 four-stroke
• Yamaha F150 four-stroke
• Yamaha F175 four-stroke
• Yamaha F200 four-stroke
• Yamaha F225 four-stroke
• Yamaha F250 four-stroke
• Yamaha F300 four-stroke
• Yamaha F350 four-stroke
• Corresponding LF counter-rotation models
• Yamaha VMAX SHO applications using the 69J-11355-00 seal
• HP Range: 90HP - 350HP
• Engine Type: Yamaha inline-four, V6 and V8 four-stroke outboard
• Year Range: Approximately 2002-2022, dependent on engine family

🔌 Function

The seal contains engine oil around the oil-pump and cylinder-block interface and prevents contamination from entering the oil-pump drive cavity.

⚠️ Common Signs of Failure

• Engine oil leaking around the oil-pump area
• Oil residue beneath the powerhead
• Air entering the oil-pump sealing location
• Seal hardened, flattened or split
• Oil leakage beginning after powerhead or oil-pump service

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 69J-11355-00 current OEM cylinder-seal reference

OEM / Related Numbers

• 69J-11355-00
• 69J-11355-00-00
• Seal, Cylinder 1
• Oil-pump cylinder seal

Aftermarket / Verified Equivalents

• WSM: 525-19
• Southern Marine: 69J-11355-00 replacement seal

📦 Condition

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