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

🚤 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

🔄 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

📦 Condition

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