61A-12414-A0 Yamaha Gasket Cover | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Thermostat Cover Gasket - Part Number: 61A-12414-A0-00

A genuine Yamaha OEM thermostat cover gasket used in Yamaha outboard cooling-system assemblies. This gasket seals the thermostat cover to help prevent cooling-water leaks around the thermostat housing.

⚙️ Key Features

• Genuine Yamaha OEM gasket cover
• Correct Yamaha part number 61A-12414-A0-00
• Thermostat cover gasket
• Used on Yamaha cooling-system thermostat housings
• Direct sealing component for thermostat service

🚤 Compatibility

Commonly used on

• Yamaha outboard thermostat cover assemblies
• Yamaha cooling systems using the 61A / 6H4 / 6J8 thermostat gasket family

Typically suits

• Engine models:
• Yamaha 20HP two-stroke thermostat cover applications where 61A-12414-A0 is specified
• Yamaha 25HP two-stroke thermostat cover applications where 61A-12414-A0 is specified
• Yamaha 30HP two-stroke thermostat cover applications where 61A-12414-A0 is specified
• Yamaha 40HP two-stroke thermostat cover applications where 61A-12414-A0 is specified
• Yamaha 50HP two-stroke thermostat cover applications where 61A-12414-A0 is specified
• Yamaha 60HP / 70HP two-stroke thermostat cover applications where specified
• Yamaha 90HP / 115HP / 130HP thermostat cover applications where specified
• Yamaha 150HP / 175HP / 200HP two-stroke thermostat cover applications where specified
• Yamaha 225HP / 250HP two-stroke thermostat cover applications where specified
• HP Range: commonly 20HP - 250HP where listed by cooling-system diagram
• Engine Type: Yamaha two-stroke outboard cooling system
• Year Range: model-specific Yamaha thermostat cover applications
• Component Type: Thermostat cover gasket

🔌 Function

This gasket seals the thermostat cover to the engine's cooling passage, helping prevent coolant leakage and maintaining correct flow around the thermostat.

⚠️ Common Signs of Failure

• Water leaking around thermostat cover
• Gasket damaged during thermostat removal
• Salt build-up around cover joint
• Overheating caused by cooling-system service issue
• Flattened, torn or hardened gasket
• Required replacement during thermostat service

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 61A-12414-A0-00 Yamaha thermostat cover gasket reference
• 6J8-12414-A0-00 related Yamaha thermostat gasket reference
• 6H4-12414-A0-00 related Yamaha thermostat gasket reference
• 6H4-12414-00-00 earlier Yamaha thermostat gasket reference

OEM / Related Numbers

• 61A-12414-A0-00
• 61A-12414-A0
• 61A12414A000
• 61A12414A0
• 6J8-12414-A0-00
• 6J812414A000
• 6H4-12414-A0-00
• 6H412414A000
• 6H4-12414-00-00
• 6H4124140000

Aftermarket / Verified Equivalents

• Sierra: 18-0829
• Aftermarket reference: S-18-0829
• Aftermarket reference: 61A-12414-A0
• Aftermarket reference: 6H4-12414-00
• Aftermarket reference: 6H4-12414-A0
• Aftermarket reference: 6J8-12414-A0
• Thermostat cover gasket replacement family for Yamaha two-stroke thermostat housings

📦 Condition

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