93210-85M97 Yamaha O-Ring, Propshaft Carrier | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Propeller Shaft Bearing Carrier O-Ring - Part Number: 93210-85M97

A genuine Yamaha large-diameter O-ring used to seal the propeller-shaft bearing carrier to the lower-unit housing on selected 60HP to 90HP outboards.

The O-ring prevents water from entering the gearcase around the carrier while retaining the lower-unit lubricant.

⚙️ Key Features

• Genuine Yamaha OEM bearing-carrier O-ring
• Correct Yamaha part number 93210-85M97
• Seals the propeller-shaft carrier to the gear housing
• Used on selected Yamaha 60HP to 90HP lower units
• GLM and direct aftermarket replacements available

🚤 Compatibility

Commonly used on

• Yamaha mid-range propeller-shaft bearing carriers
• Yamaha 688-series lower-unit assemblies

Typically suits

• Engine models:
• Yamaha 60HP and 60F two-stroke
• Yamaha 70HP and 70B two-stroke
• Yamaha C75 and 75C
• Yamaha E75 and P75
• Yamaha C80
• Yamaha C85 and 85HP
• Yamaha 90A and C90
• Yamaha 75CETO 2003
• Yamaha 90AETO 2003
• HP Range: 60HP - 90HP
• Engine Type: Yamaha carburetted two-stroke outboard
• Year Range: Approximately 1980s - 2010s, dependent on bearing-carrier design

🔌 Function

The O-ring seals the outside diameter of the bearing carrier against the gearcase housing.

⚠️ Common Signs of Failure

• Lower-unit lubricant becomes milky
• Gear oil leaks around the bearing-carrier joint
• Gearcase fails pressure or vacuum testing
• Corrosion forms beneath the carrier O-ring
• O-ring becomes flattened, cut or hardened during carrier removal

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 93210-85M97 current Yamaha OEM service reference

OEM / Related Numbers

• 93210-85M97
• 93210-85M97-00
• 9321085M9700
• 93101-25M03 related propeller-shaft oil seal
• 688-45383-02 related carrier-lock washer
• 688-45384-series related carrier retaining nut

Aftermarket / Verified Equivalents

• GLM: 84270
• Yamarine: 93210-85M97 replacement O-ring
• Direct aftermarket propeller-shaft carrier O-ring: 93210-85M97

📦 Condition

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