93210-62269 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Lower Crankshaft End Cap O-Ring - Part Number: 93210-62269

A genuine Yamaha large-diameter engine O-ring for the lower crankshaft end-cap assembly of selected three-cylinder two-stroke outboards.

The approximately 61.6mm x 2.62mm O-ring seals the lower crankshaft cap to the crankcase, maintaining crankcase pressure while preventing fuel-and-oil residue from escaping around the cap.

⚙️ Key Features

• Genuine Yamaha OEM lower end-cap O-ring

• Correct Yamaha part number 93210-62269

• Approximate dimensions: 61.6mm x 2.62mm

• Used on selected Yamaha 85HP and 90HP three-cylinder engines

• Sierra, WSM, Cometic and Recmar replacements available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 93210-62269 current Yamaha lower end-cap O-ring reference

OEM / Related Numbers:

• 93210-62269

• 93210-62269-00

• 932106226900

• Lower crankshaft end-cap O-ring

• Lower bearing-cap O-ring

Aftermarket / Verified Equivalents:

• Sierra: 18-7441

• WSM: 527-12

• Cometic: 10-2226

• Recmar: REC93210-62269

• Marine Spare Parts: AM93210-62269

🚤 Compatibility

Commonly used on:

• Yamaha three-cylinder two-stroke lower crankshaft end caps

• Crankshaft, piston and lower-bearing housing assemblies

Typically suits:

• Engine models:

• Yamaha 85HP three-cylinder two-stroke

• Yamaha 85A

• Yamaha 85AED and 85AET applications

• Yamaha 90HP three-cylinder two-stroke

• Yamaha 90A

• Yamaha 90ET and 90TLR applications using this lower end cap

• Selected 48HP to 85HP engine assemblies whose crankcase diagram specifies 93210-62269

• HP Range: Principally 85HP - 90HP, with selected related three-cylinder applications

• Engine Type: Yamaha three-cylinder carburetted two-stroke outboard

• Seal Size: Approximately 61.6mm x 2.62mm.

🔌 Function

The O-ring seals the lower crankshaft cap to the cylinder and crankcase assembly, maintaining crankcase compression and containing fuel-and-oil mixture.

Common signs of failure:

• Oil residue around the lower crankcase cap

• Loss of crankcase sealing

• Poor idle or weak cylinder performance

• O-ring becomes hard or flattened

• Leakage begins after crankshaft or lower-bearing service

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging