6CB-14239-00 Yamaha Gasket | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Vapour Separator Tank Seal - Part Number: 6CB-14239-00

A genuine Yamaha moulded seal for selected four-stroke vapour-separator tank and fuel-system assemblies.

The seal closes the VST cover or adjoining fuel-system joint, preventing pressurised fuel and vapour from leaking while blocking unfiltered air and contamination from entering the tank.

⚙️ Key Features

• Genuine Yamaha OEM fuel-system seal
• Correct Yamaha part number 6CB-14239-00
• Used in vapour-separator and EFI fuel-system assemblies
• Fuel-resistant moulded sealing material
• ComponentsPlus and WSM-style replacement seals available

🚤 Compatibility

Commonly used on

• Yamaha EFI vapour-separator tank assemblies
• Four-stroke low- and high-pressure fuel systems

Typically suits

• Engine models:
• Yamaha F115 four-stroke
• Yamaha F150 four-stroke
• Yamaha F175 four-stroke
• Yamaha F200 2.8L inline-four
• Yamaha F225 four-stroke
• Yamaha F250 four-stroke
• Yamaha F300 four-stroke
• Yamaha F350 four-stroke
• Yamaha 2.8L inline-four VST applications using seal 6CB-14239-00
• HP Range: 115HP - 350HP
• Engine Type: Yamaha EFI inline-four, V6 and V8 four-stroke outboard
• Year Range: Serial-number controlled production

🔌 Function

The seal contains fuel and vapour within the vapour-separator assembly so the pumps can maintain stable fuel pressure without leakage or air entry.

⚠️ Common Signs of Failure

• Fuel odour beneath the engine cowl
• Fuel leaking around the VST cover
• Engine loses fuel pressure
• Hard starting after the engine is parked
• Seal is swollen, flattened or cracked

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6CB-14239-00 current OEM fuel-system seal reference

OEM / Related Numbers

• 6CB-14239-00
• 6CB-14239-00-00
• VST seal
• Vapour-separator cover seal

Aftermarket / Verified Equivalents

• ComponentsPlus: 600-109-09A2
• Aftermarket VST O-ring: 6CB-14239-00 replacement

📦 Condition

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