93210-25552 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha V6 Four-Stroke Crankcase O-Ring - Part Number: 93210-25552

A genuine Yamaha crankcase and cylinder-block O-ring for selected V6 four-stroke outboards.

The O-ring seals an internal crankcase oil passage or cylinder-block joint, preventing engine-oil leakage and maintaining correct lubrication-system pressure.

⚙️ Key Features

• Genuine Yamaha OEM crankcase O-ring
• Correct Yamaha part number 93210-25552
• Current replacement for earlier 93210-25803
• Used on Yamaha 3.3L V6 four-stroke engines
• Shared with selected Mercury four-stroke applications

🚤 Compatibility

Commonly used on

• Yamaha 3.3L V6 four-stroke crankcase and oil-system assemblies

Typically suits

• Engine models:
• Yamaha F200A
• Yamaha LF200A and FL200A
• Yamaha F225A
• Yamaha LF225A and FL225A
• Yamaha F250 and LF250 applications using the 3.3L V6 block
• Mercury / Mariner 225HP Yamaha-derived four-stroke engines using 25-887812
• HP Range: 200HP - 250HP
• Engine Type: Yamaha / Mercury V6 four-stroke outboard
• Year Range: Approximately 2002 - 2010s, dependent on cylinder-block design

🔌 Function

The O-ring seals an internal crankcase oil passage and prevents engine oil from escaping between mating cylinder-block components.

⚠️ Common Signs of Failure

• Engine oil leaks around the crankcase joint
• Oil pressure becomes unstable
• O-ring is flattened or hardened during powerhead disassembly
• Oil residue appears beneath the cylinder block
• Replacement is required during crankcase or oil-pump servicing

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 93210-25552-00 → Supersedes 93210-25803-00
• 93210-25803-00 earlier Yamaha O-ring reference

OEM / Related Numbers

• 93210-25552
• 93210-25552-00
• 932102555200
• 93210-25803-00
• Mercury / Mariner: 25-887812
• Mercury / Mariner: 887812

Aftermarket / Verified Equivalents

• Mercury / Mariner: 25-887812
• Offshore Marine: 121-17-25552
• Direct replacement crankcase O-ring: 93210-25552-00

📦 Condition

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