Yamaha YF1-49111-31-21 - Exhaust Valve is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Confirm part number YF1-49111-31-21 against your Yamaha parts diagram before ordering.

---

Key Features & Benefits

• Replaces worn, scored, or damaged engine components.
• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.

---

Frequently Asked Questions

What part does Yamaha number YF1-49111-31-21 refer to?

Yamaha number YF1-49111-31-21 identifies the Exhaust Valve, a genuine Yamaha part. This engine part is one of the internal components that keep the engine running as designed.

Where does the Exhaust Valve (YF1-49111-31-21) fit in the engine?

The Exhaust Valve installs in the engine location shown for part YF1-49111-31-21 in the Yamaha parts diagram for your model.

How do I confirm YF1-49111-31-21 fits my Yamaha?

Model fitment is not listed for part YF1-49111-31-21 on this page. Compare the part number against the Yamaha parts diagram for your model and year, or confirm with a Yamaha dealer using your model or VIN before ordering.

---

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.