Yamaha 1HX-1423E-29-A0 - Main Jet (#73.8) is a genuine Yamaha part. This part works with the carburetor to deliver the correct fuel and air mixture. Use part number 1HX-1423E-29-A0 to confirm it matches the component shown in your model's Yamaha parts diagram.

---

Key Features & Benefits

• Helps meter fuel and air for the engine.
• Replaces worn, clogged, or damaged carburetor components.
• Built to Yamaha's specification for its location.
• Listed by Yamaha with the designation #73.8.
• Sold under Yamaha part number 1HX-1423E-29-A0.

---

Frequently Asked Questions

What is Yamaha part 1HX-1423E-29-A0?

1HX-1423E-29-A0 is the Yamaha part number for the Main Jet (#73.8), a genuine Yamaha part. It replaces a worn or clogged carburetor component with the specified Yamaha part.

What does #73.8 mean in the Main Jet (#73.8), part 1HX-1423E-29-A0, listing?

#73.8 is a designation Yamaha includes in the catalog name for part 1HX-1423E-29-A0. Match it against the parts diagram for your model or unit before ordering.

When should I replace the Main Jet (#73.8), part 1HX-1423E-29-A0?

Replace the Main Jet (#73.8), part 1HX-1423E-29-A0, if it is clogged beyond cleaning, worn, or damaged, which can affect starting, idle, and throttle response.

---

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.