Yamaha 7VV-1495A-00-00 – Nozzle, Main

Yamaha 7VV-1495A-00-00 – Nozzle, Main

Maintain consistent fuel delivery and top-end performance with the Yamaha 7VV-1495A-00-00 – Nozzle, main. This genuine OEM jet nozzle is an essential part of your Yamaha’s carburetor system, precisely metering fuel flow to ensure the right air-fuel mixture at high engine speeds. When you're restoring or tuning your carburetor, this component plays a key role in achieving optimal combustion and reliable throttle response.

Key Features

Authentic Yamaha OEM Jet – Matches factory specifications for accuracy and durability

Precise Fuel Metering – Regulates fuel flow through the carburetor’s main circuit

Corrosion-Resistant Construction – Built to withstand ethanol fuels and marine environments

Critical to Engine Tuning – Ensures balanced air-fuel ratio at mid to full throttle

Ideal Use Cases

This main nozzle is an essential replacement during carburetor rebuilds, especially when correcting issues like sputtering, power loss, or erratic fuel consumption. It’s also commonly swapped during high-performance tuning or after ethanol-related fuel system maintenance.

Why Proper Fuel Metering Matters

Fuel delivery that’s too rich or too lean can result in poor combustion, carbon buildup, or even engine damage. The Yamaha 7VV-1495A-00-00 – Nozzle, main ensures your carburetor delivers the right amount of fuel at high RPMs—supporting efficient engine operation, smoother acceleration, and extended engine life.

Frequently Asked Questions

What does the Yamaha 7VV-1495A-00-00 – Nozzle, main control?

It regulates the amount of fuel entering the carburetor’s main circuit during mid-to-high throttle operation, ensuring proper air-fuel balance.

When should I replace the main nozzle?

Replace it if your engine is running rich or lean, shows hesitation at higher RPMs, or during a full carburetor rebuild.

Can I clean and reuse the main nozzle?

While light cleaning may help in minor cases, it’s best to replace it if it’s clogged, worn, or damaged to maintain consistent performance.

This product has been superseded by: 7VV-1495A-10-00

Yamaha 7VV-1495A-10-00 - Nozzle, main