Yamaha - Carburetor Bolt Set - Carburetor Fastening Hardware - 99999-04228-00

Overview

When you’re working on carburetors, it’s easy to overlook the hardware, but that’s where a lot of problems can start. I’ve seen loose or mismatched bolts cause air leaks and uneven mounting that throws off engine performance. The Yamaha Carburetor Bolt Set 99999-04228-00 gives you the correct fasteners to secure everything the way it should be. It’s a small detail, but getting the carb mounted right makes a big difference in how the engine runs.

Key Features

• Secure Carburetor Mounting – Provides proper fastening to keep the carburetor firmly in place during operation.

• Yamaha Engineered Fit – Designed to match original specifications for correct length, threading, and fitment.

• Durable Metal Construction – Built to handle engine vibration, heat, and long-term use.

• Prevents Air and Fuel Leaks – Helps maintain a tight seal by ensuring even and secure mounting pressure.

• Service-Ready Hardware Kit – Ideal for use during carburetor repairs, rebuilds, or replacements.

Engine & Boat Compatibility

The Yamaha Carburetor Bolt Set 99999-04228-00 is designed for Yamaha outboard engines with carbureted fuel systems requiring specific mounting hardware.

It is commonly used during carburetor installation, service, or replacement to ensure proper fit and secure attachment. Always confirm compatibility using your engine model and carburetor setup before installation.

FAQ

What happens if carburetor bolts are loose?
Loose bolts can cause air leaks, poor fuel delivery, and inconsistent engine performance.

Can I reuse old carburetor bolts?
You can, but if they’re worn, corroded, or stretched, it’s better to replace them.

Do these bolts require thread locking compound?
It depends on the setup, but light thread locking compound is sometimes used for added security.

How tight should carburetor bolts be?
They should be tightened evenly to the recommended torque to avoid warping or leaks.

Is this something I should replace during a carb rebuild?
Yes, it’s a good idea to replace hardware when servicing the carburetor for a proper fit.

• Supersessions
  6AU-14301-40-00, 6AU-14301-41-00, 99999-04535-00, 99999-04535-00