93101-25M57 Yamaha Oil Seal (62x) | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Driveshaft Oil Seal 23mm x 35.5mm x 6mm - Part Number: 93101-25M57

A genuine Yamaha S-type oil seal fitted around the lower-unit driveshaft on selected 40HP to 60HP outboards.

The seal is positioned beneath the water-pump assembly and protects the gearcase from cooling-water intrusion while retaining the lower-unit lubricant.

⚙️ Key Features

• Genuine Yamaha OEM driveshaft oil seal
• Correct Yamaha part number 93101-25M57
• Approximate dimensions: 23mm inside diameter x 35mm to 35.5mm outside diameter x 6mm width
• Used on selected two-stroke and four-stroke lower units
• GLM and Recmar replacement seals available

🚤 Compatibility

Commonly used on

• Yamaha mid-range lower-unit driveshaft seal carriers

Typically suits

• Engine models:
• Yamaha C40 two-stroke
• Yamaha 40HP and 40V two-stroke
• Yamaha C50 and 50HP two-stroke
• Yamaha F40A, F40D and F40H four-stroke
• Yamaha F50A, F50D, F50F and F50H four-stroke
• Yamaha T50 high-thrust four-stroke
• Yamaha F60A, F60B, F60C and F60F four-stroke
• Yamaha T60 high-thrust four-stroke
• HP Range: 40HP - 60HP
• Engine Type: Yamaha two-stroke and four-stroke outboard
• Year Range: Approximately 1996 - 2019, dependent on gearcase

🔌 Function

The seal prevents cooling water from entering the gearcase around the driveshaft and stops gear lubricant from leaking into the water-pump cavity.

⚠️ Common Signs of Failure

• Milky or emulsified lower-unit lubricant
• Oil collecting beneath the water-pump base
• Gearcase will not hold pressure or vacuum
• Seal lip is cut, hardened or distorted
• Driveshaft has a wear groove at the sealing surface

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 93101-25M57 current Yamaha OEM service reference
• 93101-22M00 related earlier driveshaft-seal reference

OEM / Related Numbers

• 93101-25M57
• 93101-25M57-00
• 9310125M5700
• 93101-22M00

Aftermarket / Verified Equivalents

• GLM: 85224
• Recmar: REC93101-25M57
• Direct replacement seal: 23mm x 35.5mm x 6mm

📦 Condition

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