12251-ZW1-014 Honda Marine Cylinder Head Gasket | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda BF75A/BF90A Cylinder Head Gasket - Part Number: 12251-ZW1-014

New genuine Honda multi-layer cylinder-head gasket for the original carburetted BF75A and BF90A four-cylinder outboards. It seals combustion chambers, engine-oil passages and cooling-water passages between the cylinder block and cylinder head.

⚙️ Key Features

• Genuine Honda cylinder-head gasket
• Correct bore and passage layout for BF75A/BF90A
• Seals combustion, oil and cooling-water circuits
• Required during cylinder-head removal or overhaul
• Use with correctly prepared block and head surfaces

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard engines

Typically suits

• Engine models:
• BF75A carburetted four-stroke
• BF90A carburetted four-stroke
• HP Range: 75HP - 90HP
• Engine Type: Inline-four Honda four-stroke outboard
• Year Range: Approximately 1997 - 2006

🔌 Function

This precision-formed gasket seals the mating surfaces identified in the compatibility section. It prevents combustion gas, intake air, exhaust gas, cooling water, engine oil or fuel vapour from escaping or crossing between adjoining passages.

⚠️ Common Signs of Failure

• Combustion pressure enters the cooling system
• Cooling water or oil contaminates a cylinder
• Compression is low or uneven between cylinders
• White exhaust vapour, overheating or unexplained coolant loss occurs
• Cylinder head has been removed and the gasket cannot be reused

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 12251-ZW1-014 → Supersedes 12251-ZW1-004

OEM / Related Numbers

• 12251-ZW1-004
• 12251-ZW1-014

Aftermarket / Verified Equivalents

• Recmar: REC12251-ZW1-014
• Aftermarket Honda BF75A/BF90A head-gasket equivalents

📦 Condition

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