63V-11181-A2 Yamaha Gasket Cylinder Head 1 | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Cylinder Head Gasket 1 - Part Number: 63V-11181-A2-00

A genuine Yamaha OEM cylinder head gasket used on Yamaha 9.9HP and 15HP two-stroke outboards. This gasket seals the cylinder head to the cylinder block and is required during cylinder head removal, decarbon service, cooling passage repair or top-end service.

⚙️ Key Features

• Genuine Yamaha OEM cylinder head gasket

• Correct Yamaha part number 63V-11181-A2-00

• Supersedes earlier 63V-11181-A0 and 63V-11181-A1 gasket references

• Used on Yamaha 9.9HP and 15HP two-stroke engines

• Critical sealing component for compression and cooling-water separation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 63V-11181-A2-00 later Yamaha cylinder head gasket reference

• 63V-11181-A1-00 earlier Yamaha cylinder head gasket reference

• 63V-11181-A0-00 earlier Yamaha cylinder head gasket reference

OEM / Related Numbers:

• 63V-11181-A2-00

• 63V-11181-A2

• 63V11181A200

• 63V11181A2

• 63V-11181-A1-00

• 63V-11181-A1

• 63V11181A100

• 63V11181A1

• 63V-11181-A0-00

• 63V-11181-A0

• 63V11181A000

• 63V11181A0

Aftermarket / Verified Equivalents:

• Sierra: 18-99140

• Recmar: REC63V-11181-A1

• Aftermarket reference: 63V-11181-A2

• Aftermarket reference: 63V-11181-A1

• Aftermarket reference: 63V-11181-A0

• Parsun reference: T15-04000100

• Yamaha / Parsun 9.9HP-15HP two-stroke cylinder head gasket replacement family

🚤 Compatibility

Commonly used on:

• Yamaha 9.9HP two-stroke cylinder head assemblies

• Yamaha 15HP two-stroke cylinder head assemblies

• Yamaha 63V-series two-stroke powerhead service kits

Typically suits:

• Engine models:

• Yamaha 9.9F two-stroke outboards

• Yamaha 9.9MSH / 9.9MLH applications where 63V-11181-A2 is specified

• Yamaha 9.9HP two-stroke applications from approximately 1995 / 1997 onward

• Yamaha 15F two-stroke outboards

• Yamaha 15MSH / 15MLH applications where 63V-11181-A2 is specified

• Yamaha 15HP two-stroke applications from approximately 1995 / 1997 onward

• Yamaha E9.9 and E15 two-stroke applications where listed by diagram

• Parsun / Yamaha-pattern 9.9HP and 15HP two-stroke applications using the matching gasket layout

• HP Range: 9.9HP - 15HP

• Engine Type: Yamaha two-stroke outboard

• Year Range: commonly mid-1990s onward depending on exact model

• Component Type: Cylinder head gasket

🔌 Function

The cylinder head gasket seals combustion pressure while separating the cooling-water passages from the combustion chamber and cylinder block.

Common signs of failure or service need:

• Low compression

• Water entering combustion chamber

• Overheating from leaking cooling passage

• Cylinder head removed for service

• Combustion staining around gasket surface

• Hard starting or poor running after gasket failure

• Gasket cannot be reused after cylinder head removal

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging