93210-97M55 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Large Propeller Shaft Bearing Carrier O-Ring - Part Number: 93210-97M55

A genuine Yamaha large-diameter O-ring used to seal the propeller-shaft bearing carrier in selected 150HP to 300HP lower units.

The O-ring prevents water entry and gear-lubricant loss around the outer circumference of the bearing carrier.

⚙️ Key Features

• Genuine Yamaha OEM bearing-carrier O-ring
• Correct Yamaha part number 93210-97M55
• Used on Yamaha large V6 and four-stroke gearcases
• Essential replacement during bearing-carrier removal
• Sierra, Recmar and SEI replacements available

🚤 Compatibility

Commonly used on

• Yamaha V6 two-stroke and HPDI propeller-shaft carriers
• Yamaha large four-stroke lower units

Typically suits

• Engine models:
• Yamaha 150HP, 175HP, 200HP, 225HP and 250HP two-stroke
• Yamaha Z150, Z175, Z200, Z225, Z250 and Z300 HPDI
• Yamaha VZ150 through VZ300 HPDI
• Yamaha F150 and LF150
• Yamaha F175
• Yamaha F200 and LF200
• Yamaha F225 and LF225
• Yamaha F250 and LF250
• Selected Yamaha F300 gearcases using the 6G5 carrier design
• HP Range: 150HP - 300HP
• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard
• Year Range: Approximately 1984 - 2021, dependent on bearing-carrier design

🔌 Function

The O-ring seals the bearing carrier against the lower-unit housing and prevents water or gear oil from passing around the carrier.

⚠️ Common Signs of Failure

• Gear oil leaks around the carrier perimeter
• Lower-unit oil becomes milky
• Corrosion develops in the carrier bore
• Gearcase will not hold pressure or vacuum
• O-ring is damaged during carrier removal

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 93210-97M55 current Yamaha OEM service reference

OEM / Related Numbers

• 93210-97M55
• 93210-97M55-00
• 9321097M5500
• 93101-30M17 related propeller-shaft oil seal
• 93101-28M16 related driveshaft oil seal
• 6G5-W0001-series related lower-unit seal kit

Aftermarket / Verified Equivalents

• Sierra: 18-0275
• Recmar: REC93210-97M55
• SEI Marine: 95-416-04
• WSM / Rareelectrical: 527-132A1
• Direct aftermarket carrier O-ring: 93210-97M55

📦 Condition

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